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justcallmefox89 · 4 years

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Truth or Dare Part 8 - Mammon’s Ending

During a private meeting Diavolo makes Arianthi a tempting offer while Mammon’s jealousy spirals out of control. With the end of the exchange program looming Arianthi has major decisions to make.

NSFW - blowjob, public hookup

TWs - potential triggers for those who have had experiences with physical violence.

Written from the perspective of my female OC Arianthi.

Mood List:

Snakehips & MO - Don’t Leave Trixie Whiteley - Breathe You In My Dreams Cigarettes After Sex - Nothing’s Gonna Hurt You Baby The 1975 - Somebody Else Brandon Flowers - I Can Change

Solomon strides confidently into Diavolo’s office and I follow behind, making a conscious effort to hide in his shadow. Diavolo has his head down, rifling through some paperwork. Solomon and I each silently take a seat in the two chairs in front of his desk, waiting on him to acknowledge our presence.

After a few more minutes he looks up at us.

“Hello Solomon,” Diavolo says, giving him a polite nod.

“Diavolo.” Solomon smiles placidly.

“Hey princess.” He gives me a soft smile, the nickname slipping out easily. He flushes and looks back down at his desk.

“Hi Dia.” I fidget with cuffs of my jacket, guilt coiling in my stomach.

Diavolo looks pale, deep purple smudges beneath his eyes. Despite his enormous size he seems smaller somehow, diminished, all his natural charisma muted.

Solomon swoops in to save the day. “Did you need to speak with us about the exchange program?”

Bless you, you sweet sweet man. I thought I was going to suffocate in my own awkwardness.

“Yes. Yes, about the program.” Diavolo clears his throat. “I was hoping I could convince both of you to extend your stay in the Devildom.”

Solomon and I shoot a quick glance at each other, matching looks of confusion on our faces.

“How do you mean?” He asks.

Diavolo regards us both seriously. “This first experiment into the exchange program has been far more successful than I had even hoped. We will be increasing our number of exchange students during the next session. Solomon, I would like you to stay on as a professor of sorts, teaching magic to the new human students.”

Solomon’s mouth drops open. “I would be honored to extend my stay here.”

Diavolo nods, a smile on his lips. He turns to me. “Arianthi, I would like to ask you to stay on as an ambassador between the demons, angels, and humans. You seem to have a unique ability to get along with just about anyone. I think you would be the ideal person for the job.”

I think I’m in shock.

I can stay in the Devildom. I can stay with Mammon. With the rest of my friends.

“For real? Like, for real, for real?”

Diavolo chuckles. “For real princess. I wouldn’t tease you like that.”

The nickname again. The easy banter. As glad as I am to see a glimpse of the old Diavolo, I’m not sure this level of familiarity is good for either one of us. I don’t think about it for too long though, the joy of getting to stay with Mammon drowning out all my other thoughts.

“Yes! Absolutely yes! I would love to stay!” I say excitedly, bouncing a little in my seat.

Diavolo grins. “Fantastic. I will have the paperwork drawn up and have Barbatos deliver it to you in a few days for your signatures. And of course you both can continue your Devildom studies while working around your new responsibilities. ”

Solomon and I stand up to leave, but Diavolo speaks up, stopping us. “Arianthi, if you could stay a minute? There is something I’d like to discuss with you.”

I plop back down in my chair, looking at Solomon anxiously. He sends me a cheeky wave and a look that says I’m clearly on my own. Once the office doors have closed behind him, Diavolo crosses to the front of his desk. He pulls the unoccupied visitor's chair closer to mine and sits down, facing me.

Before I can say anything Diavolo takes my right hand in his much larger ones, slipping the ring he gave me for my birthday on my ring finger.

“You left this behind when you moved out of the castle,” he says reproachfully.

“It didn’t seem right to keep it,” I mumble, gently tugging my hand free of his.

He looks at me earnestly. “It was a gift. Anything I give you I give without expectations. I want you to keep it. It makes me happy to think of you wearing it.”

I nod, unable to form a response.

Mammon is going to hate this.

“Lucifer tells me that you and Mammon are doing quite well. He says it’s rare to ever see you two apart,” Diavolo continues.

“Keeping tabs on me Dia?” I quirk an eyebrow at him.

He huffs out a small laugh. “Nothing sinister I promise. Just occasionally checking in to make sure the woman I love is happy.”

“Diavolo.” I’m at a loss for words.

“Allow me that much Arianthi. I truly am happy for you and Mammon. It’s a rare thing for a demon to find a love as pure as what the two of you share.” Despite the smile on his face, Diavolo’s eyes betray his pain.

“Thank you Diavolo,” I whisper, not trusting my voice.

He shakes his head. “Don’t. I do it for my peace of mind. I need to know that you’re safe and loved, even if it’s not by me.”

He stands up. “I’ve taken up enough of your morning.”

I stand up and follow him to the door. He stops before opening it. “Once the paperwork is finalized and you’ve told Mammon your decision, I would like to put together a little something for you and Solomon. Maybe a party?”

“I think that would be fun.” I smile up at him, then open the door. I’m halfway through before Diavolo catches my attention.

“Arianthi?”

“Hmmm?”

“Don’t let Mammon get his hands on that ring.” He smirks at me and I laugh.

“I’ll keep it safe,” I say, before I slip out the door.

——————————————————————————

Mammon wanders out of the student council meeting, impatient to see Arianthi after her meeting with Diavolo. He stops in surprise, seeing Solomon chatting with Simeon and the chihuahua.

She didn’t message me.

Jealousy starts to creep up.

“Oi! Solomon!” He narrows in on the sorcerer, ignoring the angels completely. “Where’s Arianthi?”

Solomon raises his eyebrows, affecting a surprised expression.

“She didn’t message you yet? Diavolo asked her to stay behind for a private conversation. They must still be .............. speaking.” He lingers on the last word, his tone hinting at something unspeakably lewd.

Mammon grits his teeth and pushes past the group, heading for Diavolo’s office.

Damn it. Damn him. Arianthi is MY girl.

Simeon turns to Solomon, a disappointed look on his face. “That wasn’t very kind Solomon. You shouldn’t rile him up like that. You know Arianthi would never betray him.”

“I know that. I’m just wondering when Mammon’s going to figure that out, the jealous bastard.” Solomon smirks. “And it’s just too easy to push his buttons, especially when it comes to her.”

Luke and Simeon both give him a scandalized look, while he just shrugs, a self-satisfied smile playing across his lips.

Mammon storms through the hallways towards Diavolo’s office, stopping short when he sees the door is cracked open. He hesitates, remembering the last time he walked in on Arianthi and Diavolo. Despite his best attempts that memory is still burned into his mind, affecting his intimate moments with Arianthi at the worst times.

She’s been nothing but patient with me though.

He frowns, jealousy overtaking him, and moves closer to the door. He catches snatches of their conversation.

“Woman I love........happy.....told Mammon your decision.....a party........sounds fun........don’t let Mammon........ring.”

Then he hears Arianthi’s soft laugh, and a jealous rage crawls up his spine, clouding his vision and sparking fury in his veins.

Mine. MY human. MY girl.

Mammon hears the door begin to open wider and quickly steps back out of sight.

------------------------------------------------------------

I close the door to Diavolo’s office and pull out my D.D.D. to message Mammon, thrilled to tell him the good news, hoping he’ll be as happy as I am. A hand wraps around my wrist before I even manage to open the messaging app, and I let out a yelp as I feel myself being pulled forcefully down the hallway. I look up and see Mammon, mouth pressed into a thin line, more angry than I’ve ever seen him.

“Mammon? Mammon what’s wrong? Did something happen?” Concerned, I start to run through worst case scenarios.

Did something happen to one of his brothers? To Goldie? Did he get sucked into a new pact with some witches? That will be a major pain in the ass to deal with.........

He refuses to answer, eyes darting around but never looking at me.

I start to struggle against his grip. “Mammon! Mammon stop! What’s going on?”

He finds an empty classroom and pushes me inside unceremoniously, slamming the door shut behind us.

“What in the hell has gotten into you?” I hiss, worry quickly shifting into anger.

He presses me against the door, pinning me with his body, staring down at me with a coldness I’ve never seen before. “Wanna tell me what ya were doing in Diavolo’s office? Alone with him?”

I open my mouth to answer, to try to calm him down, reassure him, but he cuts me off before I get a chance.

“He still loves ya, huh? How long have you known that? And what decision do ya gotta tell me about?”

He grabs my hand.

“I see you’re wearin’ his ring again,” he snarls. “And what was he talkin’ about when he said “don’t let Mammon”? Don’t let me what, huh?”

Ok, he’s jealous. He’s insecure.

I understand, given the circumstances. I take a deep breath, closing my eyes.

“Open your damn eyes and look at me,” Mammon growls low in his throat.

My eyes fly open in shock. Even when we were fighting, I’ve never heard his voice like that. Low. Dangerous. Close to losing control and giving into his sin.

“Hey!” I raise my voice, jabbing him in the chest with one finger. His eyes snap up to meet mine.

Good. Got your attention.

“You need to calm down.”

“No, you need to start giving me some damn -”

I lift my hand up and softly press it against his mouth. “Mammon, baby, I know that you’re upset but you can’t talk to me like this. You need to get it together because I have something really important to tell you.”

All the jealousy and rage drain out of him, insecurity rapidly taking its place. His shoulders hunch and he voice goes small. “Are ya leavin’ me?”

“What? No!” I shout.

Mammon flinches a little at the volume of my voice.

“No. No, I am not.” I inhale deeply.

“Yes Mammon, Diavolo said he loves me. And I’m currently wearing the ring because he just gave it back to me. I left it at the castle when I moved out, but he wants me to keep it. And he doesn’t want you to get your hands on it because it’s mine, it was a gift, and he probably doesn’t want you to pawn it because you’re feeling jealous.”

He shrinks a little under my stern gaze.

“I’m not going to wear the ring, but it was a gift and a reminder of my time here, so I’ll have Lucifer put it in his safe.”

I reach up to push some of Mammon’s hair out of his eyes, and loop my hands around his neck.

“I can’t do anything about Diavolo still having feelings for me. But it doesn’t mean much when I’m in love with you.” I give him a quick series of kisses all over his face.

“Ya really mean that?” Mammon scrunches his eyebrows together.

I rub my nose against his. “Of course I do. You’re THE Great Mammon and I love you with all my heart.”

He drops his head on my shoulder. “Fuck, I am such an idiot. I can’t believe I lost it like that. I’m so sorry baby. Just knowin’ ya were alone with him, and hearin’ him say he still loved ya.....”

I press a kiss in his hair. “You really are my greedy, jealous demon aren’t you?”

I run my fingers across the back of his neck in what I hope is a soothing motion.

He pulls back and takes my hand in his, pressing soft kisses along my wrist. “Did I hurt ya when I grabbed ya?”

I shake my head. “I’m fine.”

I suddenly remember my good news. I wrap my arms around Mammon’s waist and kiss his neck. “Hey baby, guess what?”

“What?” He asks, returning my embrace.

“Diavolo wants me to stay in the Devildom.”

Mammon tenses at Diavolo’s name.

“He wants me to stay as an ambassador for the exchange program. I don’t have to go back to the human realm. I can stay here, with you.”

Mammon is totally silent and I move back so I can see his face. “Unless you don’t want me to?”

He pushes me against the door roughly, claiming my mouth in a fierce kiss. His tongue touches mine, stroking for just a moment, before he trails kisses along my jaw and down to my neck, his breath hot against my skin. His nips at my neck, fangs out, then sucks on the spot hard before soothing it with a soft lick of his tongue.

I let of a small yelp, instinctively burying one hand into his silky hair and giving a sharp tug.

“I can’t believe you get to stay.” Mammon murmurs against my neck, in between kisses and small bites. “MY human. MY girl. Staying with me because she WANTS to. All mine, and everybody is gonna know it. I’m so greedy for ya Arianthi. I never wanna let ya go. I crave ya, need ya like I need air.”

I bite my lip to stop a small scream when Mammon nips hard at my pulse point and slides one hand under my uniform skirt and between my thighs.

“Now you never have to,” I breathe.

He’s never been like this before. I’m not complaining though. I’ve been waiting a long time for him to touch me like this. But.......

I wiggle a little, and Mammon’s hands and mouth stop their exploratory trails.

“What’s wrong? I can stop if ya don’t like it.” He looks at me worriedly.

I huff out a laugh. “No, I definitely like. This seems a little, no, a lot sudden, since you’ve only wanted to kiss so far.”

I tuck a lock of unruly white hair behind his ear. “I’m not sure I want to do this if you’re just doing this because you were jealous. I don’t want you to regret it later.”

He puts his hands on my hips, and brings his mouth down to my neck. “It’s not just because of that. I’ve wanted ya for so long and I’m tired of waiting. Tired of bein’ afraid you’re gonna change your mind about me. Tired of second guessing everything. You’re everything to me and I’m yours as long as ya want me.”

The warmth of his mouth and the vibration of his words against my neck send a delicious shiver up my spine.

“Forever. Forever is good for me,” I murmur into his hair.

Mammon looks up, blue eyes locking on to mine. “Works for me.”

He lifts me up, hands under my thighs, and presses my back against the door. On instinct I wrap my legs around his waist. He groans and rolls his hips against me, and I feel just how hard he is. His mouth captures mine in a searing kiss, tongue and teeth insistent and relentless. When we finally break apart I’m seeing stars.

I laugh breathlessly as Mammon drops kisses from my neck down to my chest, taking the collar of my shirt between his teeth and tugging on it.

“Hey! I want you too but I am not having my first time with you be in a R.A.D. classroom.”

Mammon whines and nuzzles his head against my shoulder, rolling his hips against me again. “Baby.......”

My poor greedy little demon. It really would be cruel to leave him in this state for the rest of the day.

“Put me down.”

Mammon obeys immediately, and I quickly switch positions with him, pressing him against the door while reaching behind him to click the lock.

“W-w-what are ya doin’?” He stutters, the tips of his ears turning red. “Ya said ya didn’t wanna-”

“I may not want to fuck you right here, but there are plenty of other things I can do to for my greedy boy,” I whisper in his ear before taking his earlobe between my teeth and giving it a sharp nip.

“Fuuuuuck,” he whines, bucking his hips.

I kiss down his jaw, lingering on his lips, then move to his neck, alternating between love bites and soft kisses. When I reach his collarbone I give his skin a slow swipe of my tongue, then bite down hard, hard enough to leave a deep crimson mark. Mammon yelps, hands gripping tight on my waist.

I move back up to his mouth and run a finger over the bite while I whisper against his lips. “That’s going to leave such a pretty mark, baby. And everyone is going to know who left it on you. Do you like that?”

He nods eagerly, moving in to kiss me. I allow him only the briefest brush of our lips before pulling away. He whimpers, wanting more.

“I need you to be a good boy and use your words for me,” I say as I palm his erection through his pants.

Mammon throws his head back, eyes closed tight.

“Y-yeah. I l-l-like that a lot baby. It feels so good-” He groans as I tighten my grip on him. “More. More,” he demands, arching against my palm.

I move my hand away, and he cries out at the loss of contact.

I press two fingers against his lips. “Shhhh, my love. I need you to be good and be quiet for me. Otherwise people might find us and see you like this, one of the lords of the Devildom whining and begging for his human to touch him.”

I work my hands under his shirt and drag my fingernails down his chest and over his stomach. I feel his muscles twitch and shake under my touch.

Mammon’s eyes are shut tight and he shakes his head in frustration. “Don’t care.......don’t care. Please... baby I need ya.”

I smirk. “Well in that case.”

I bite down on his pulse point and my hands start working on his belt buckle.

His eyes fly open and he lets out a breathy gasp. “W-what are ya doin’?”

I start working his pants down over his hips.

“I was going to get on my knees for THE Great Mammon but if you don’t want me to....” I trail off as I take a half-step back.

He growls and yanks me closer to him. “Don’t ya even think about stoppin’ now. Finish what ya started.”

“Yes sir,” I murmur, giving him a light kiss.

Mammon’s eyes roll back as he groans. “Drivin’ me crazy,” he mumbles.

He quickly shrugs out of his jacket, folding it quickly and shoving it into my hands. I stare at him, confused.

“For your knees.” His cheeks turn pink.

Even as a horny mess Mammon is so thoughtful of me. I give him a rough kiss.

“God I love you.” I put his jacket on the ground, then kneel, working his pants down his legs as I go.

He runs his fingers through my hair, hands settling on the back of my head. He looks down at me through half-lidded eyes, darkened with lust.

“Love you too,” he replies, his voice hoarse.

I run my hands down his thighs, following with the occasional kiss. Mammon makes small sounds of appreciation, fingers moving restlessly through my hair. His erection is straining against his boxers, a wet circle of pre-cum leaking through the thin fabric. I mouth his cock through the fabric, grabbing his ass to keep his hips still.

He whines loudly, bucking against my tight hold. “Come on.... please, please, please,” he begs.

I smirk, looking up at him through my lashes. His eyes are closed, head thrown back, face flushed with desire as he bites down on his lower lip. I grip the waistband of his boxers with my teeth and tug them down, freeing his cock.

Oh, Christmas has come early.

Starting at the base of his cock, I move my tongue in a long, slow swipe up the sensitive vein on the underside of his shaft.

“Yeesssss,” Mammon hisses, leaning back against the door for support.

I spit into one hand and start to stroke him while taking the tip of his cock in my mouth, sucking and licking like it’s my favorite lollipop. Mammon rocks his hips against my mouth in a silent plea to take him deeper.

I remove my hand and slowly take more of his cock in my mouth. It takes some work; he’s not at long as Diavolo, but he is thicker. I hold him in the warmth of my mouth for a minute, then pull back and suck in a deep breath.

“Baby,” he whines loudly, arching his hips towards me.

I drop of soft kiss on the head of his cock. “Such a greedy, greedy boy.”

I swirl my tongue around him, bringing my hand back up to stroke his shaft.

“Fuck baby, just like that,” he breathes out. “So good, so fucking good.”

Encouraged by his praise I increase my pace, eventually resting my hands on his thighs so I’m only working him with my mouth. Drool runs down my chin and drips off his cock, and my throat is beginning to get sore from repeatedly taking him so deep. It’s all worth it to hear his whimpers of pleasure, words of praise, and whines of need when I pull away for a second to breathe.

After he gives one particularly inventive curse, I hum in amusement with his cock still in my mouth and his whole body shudders at the sensation.

Oh. Oh my. What an interesting development.

I do a little more scientific research, humming as my mouth slides up and down his cock.

I feel the muscles in his thighs begin to flex and tighten as his breathing becomes harsher, his moans a little breathier.

“Baby, baby I’m gonna, I’m -” He tries to pull back, but I grip the back of his thighs and hold him deep in my mouth, continuing my movements.

“Fuck!” He thrusts his hips against my mouth and I taste something warm, salty, and thick as he releases in my mouth. I don’t swallow immediately, waiting until I’m sure he’s looking down at me. His eyes are open, pupils blown wide and a thin sheen of sweat covers his face. His chest heaves as he attempts to slow down his breathing. I open my mouth wide, making sure he can see his cum coating my tongue, then swallow, opening my mouth after and sticking my tongue out to make sure he sees I swallowed all of it.

“Holy shit.” Mammon slumps back against the door, unable to decide what to do first. I scoot forward a little and use my tongue to lick him clean, removing any last traces of his orgasm. He whimpers at the sensation and squirms a little at the over stimulation of his softening cock.

Once I’m satisfied he’s all cleaned up I stand, pulling his boxers and pants up as I go. I buckle his belt and then pick up his jacket from the ground, shaking off any dirt and smoothing out any wrinkles. He reaches for me, bringing our bodies flush together.

“Ya really are something else, human,” he says, before giving me a kiss. I can feel his smile against my lips.

“It was good then?” I nuzzle my face into his neck, breathing in his scent and melting against him.

I can feel his breath ruffle my hair as he huffs out a soft laugh. “I’m ready to marry ya tonight after that. And now I’m even more impatient to get ya in my bed.”

I giggle against him, dropping kisses over the red marks I left on his neck. “Well there’s nothing stopping you from doing that when we get home.”

His arms tighten around me. “I say we skip out for the rest of the day. I wanna get ya home now.”

I laugh and softly push away from him. “Tonight, my greedy demon. And we need to tell your brothers that I’m staying. I hope they’ll be ok with it.”

Mammon shrugs into his jacket and puts an arm around my shoulders, unlocking the classroom door.

“Are ya kiddin’? They won’t care. They all love ya.” He pauses before adding, “But not as much as I do, ya know? Like a little sister.”

“I know baby. Should we just plan on telling them at dinner tonight?” I snuggle closer to his side as we meandering through the R.A.D. hallways, ignoring the demons that still give us questioning looks, even after months together.

“Sounds good.” Mammon drops one last kiss on the top of my head before we separate to go to our next classes.

Later that night at dinner we bide our time, waiting for the right opening to tell everyone else our news. Still worked up from our encounter earlier in the day, Mammon touches me at every opportunity. His hand on my thigh or creeping under my shirt to stroke the bare skin at my waist, kissing and nuzzling into my neck, making me giggle.

Finally Lucifer has had enough. “For the love of Diavolo can you take your hands off of Arianthi for one minute Mammon? Some of us are trying to eat!”

Mammon shoots Lucifer a dirty look, wrapping an arm tight around my waist and pulling me to him in defiance. The move, combined with his strength, means I end up sitting in his lap, the eyes of all his brothers now on us.

“Mammon,” Lucifer’s voice has dropped an octave, irritation morphing into anger.

“Let them be,” Asmo chirps. “I personally enjoy seeing them like this, all wrapped up in each other.”

He shoots us a suggestive wink.

Mammon just ignores them both, hugging me tightly from behind and resting his chin on my shoulder. I can feel him smile against my neck.

“We got some good news for you guys,” he tells his brothers.

“Oh dear Diavolo.” Lucifer visibly pales.

Satan looks at us in alarm. “Please tell me you’re not pregnant?”

Levi chokes. “You’re pregnant?!”

“What?” Beel and Belphie ask in unison, looking at us with matching expressions of confusion.

Asmo is the only one who remains calm, probably remembering our conversation from this morning.

“Stupidity is genetic Arianthi,” Satan continues. “I know you love him but I don’t think putting more of his genes out into the Devildom-”

“Satan!” I cut him off with a dark look. “Mammon is not stupid. Apologize to your brother.”

Satan stares at me grumpily for a few seconds before he mumbles, “Sorry Mammon.”

“Thanks baby.” Mammon whispers in my ear. I squeeze his hand in response.

“But are you really pregnant?” Poor Levi’s face is red and he looks like he’s close to hyperventilating.

Probably worried about the possibility of a baby getting into his collectibles.

I roll my eyes internally. “I’m not pregnant Levi.”

The brothers’ shoulders visibly relax.

“Yet,” Mammon says from behind me. I can hear the smirk in his voice.

The other six tense up again.

“Not helping Mammon.” I try to scold him, but I can’t keep the smile off my face.

Yet?

“I’m not pregnant.” I repeat. “With no plans in the near future to get pregnant.”

“Awww,” Mammon whines.

I lightly pinch his thigh.

“Ok, ok,” he mumbles, nuzzling his face into my shoulder.

I look around at the other six lords of the Devildom, demons I had come to view as family.

I hope they’re as excited as we are.

I take a deep breath. “Diavolo has offered me a position with the exchange program. I’d be an ambassador to the exchange students, and I’d still get to continue my Devildom studies. I’ve accepted, which means I don’t have to return to the human realm. I can stay here, with Mammon and you guys. Permanently.”

Mammon’s brothers stare at us for a moment, seemingly shocked into silence for the first time since I’ve met them. Then pandemonium breaks out at the dinner table.

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