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Punishment.

Summary:

Mammon punishes his Treasure for neglecting him.

Written as part of Kinktober 2021.

Notes:

Prompt 2: Pegging | Cockwarming | Sounding

(See the end of the work for more notes.)

Work Text:

He was staring at her. And staring hard. She paused for a minute, turning around to look at the white-haired demon who sat on the other end of the club in his glorious demon form. Even with so much distance between them, Ariadne could very well see the scorching, greedy gaze that the Avatar of Greed was directing towards her. The blonde chuckled, sending him a saucy wink before turning back to the conversation at hand. 

On the other side of the room, Mammon flustered, grumbling under his breath about someone not spending time with him. Today was his pre-decided day to spend time with the brothers’ favourite human. But here they were, at The Fall, with Ariadne talking to a bunch of their classmates while he sat at the bar all alone. 

“Who does she think she is, makin’ The Great Mammon wait like this?!” He continued to grumble before lifting his head just in time to see her being pulled in a rather passionate kiss by Asmodeus. That was the moment he saw red. The Second-born shot up from the bar stool, finished his drink, and slammed down the glass before heading over to where Ariadne and his younger brother were. When he drew closer, the blonde was still in the Avatar of Lust’s arms. 

“Ahem.” The human jumped at someone clearing their throat out of nowhere. She paled when she saw the furious face of the demon she was supposed to be spending time with. She had already failed on the “spending time with him” part. And standing in front of him with his younger brother all over her was certainly not doing anything to help her. She turned to look at Asmodeus, only to find him smirking at Mammon. 

“Mammon I-” She started, only to be cut off when the demon all but yanked her out of his younger brother’s arms. “We’re done here, human.” He declared before pulling her out of the club and calling a taxi. The fact that he didn’t refer to her as “Treasure” had her confused.

“Have fun you two!” The younger demon called out after them in a singsong voice.

She had never seen her pact-demon like this in all these months. This new, rather dominant side of him sent a shiver of arousal down her spine, her body heating up as a number of salacious scenarios took seed in her head. The honey-eyed beauty was brought back to reality when she heard the sound of a car door opening. “Come on, human. I ain’t gonna wait for ya.” She heard Mammon say before climbing inside.

Before long, she found herself in a very familiar bedroom, sitting on the couch in the lap of the very demon who had cut short their evening just because Asmodeus had kissed her. Her back was pressed to his muscular and almost bare chest as his calloused fingers trailed against the sensitive skin of her inner thigh, making her sigh in anticipation. Slowly, inch by fucking inch, his fingers moved to where she needed him to touch, only to pull them back just at the last moment. “Mammon…!” She whined at his antics.

The demon raised an eyebrow. “Do ya think you’re in a position to complain after what happened at The Fall?” He growled out, making it very clear who the incharge was for the night. Shit, she had now gone and fucked up everything. Boy was she in trouble tonight. She tried to get up, only to be pulled back as another growl reverberated from him. “OI! Where do ya think you’re going, eh?” He asked her, eyes gleaming dangerously under the room’s lighting. 

“I was thinkin’ of going easy on ya. But, it seems like ya just want to be punished at the hands of The Great Mammon.” With his hand wrapped tightly around her waist, he lifted her up to pop open his pants and push them down just enough to reveal his already hardened cock. He then positioned the blonde in a way that her thighs straddled his, her back still pressed to his chest. Pushing the crotch of her lacy panties to one side, he then guided her down onto his dick, making her moan at the sudden penetration, her slinky short dress riding up to reveal her smooth thighs. “Fuck. You’re already so wet, Treasure.” He said, loving the way she moaned out his name just as her walls clenched around him right at that moment.

The second she squirmed and tried to buck her hips, he slapped her thigh. “Don’t move. This is what ya get for kissing my brother when ya were supposed to spend the night with me.” And with that, he reached for his notebook that sat on the centre table. “Now help me with my assignment and maybe ya will get a reward from The Great Mammon.” The words made Ariadne gulp, unsure if she would be able to focus enough to even comprehend what the assignment was about while having the demon balls deep inside her throbbing pussy. But the thought of being rewarded made her want to get through this.

She clenched around him in order to ground herself, nodding her head almost immediately. However, two questions down, the woman realised how badly she had been played. Every once in a while, Mammon thrusted into her, making her blank out entirely as jolts of pleasure travelled through her entire being. By the time they were done, she was a mess. Tear tracks were visible on her flushed face as she begged him to move. Spending hours being deliciously stuffed with no end in sight would do that to you.

Thankfully, he did as she requested, thrust up into her as she bounced on his hardened member, making him groan alongside her. “Yes! Yes Mammon, yes!” She screamed, relieved to feel him in entirety as he fucked her senseless. 

It had been an exercise in itself for the demon to hold back. Now that they were done, he finally gave in to his base instincts and took what he had wanted since the evening had started. Starting slow, he went on to set a brutal pace, one that coils only satisfy a demon. She came first, screaming his name for the entire House of Lamentation to hear. The feeling of her cunt milking him was finally what pushed him over the edge. He came hard, painting her insides white as he bit the crook of her neck, making her moan loudly.

Once the two had come down from their highs, he turned her head and kissed her deeply, nipping and pulling on her bottom lip. “Did ya learn your lesson, Treasure? Or will ya do this again?” He asked with a smirk, the sight in front of him absolutely riveting. She shivered at the intensity of his gaze before opening her mouth to whisper out a quiet “yes” .

Notes:

Hey y'all! Congratulations for making it till the end! We have mostly seen this tsundere as a sub. I thought it was time for him to switch and be the demon he can be. It was a new experience, writing the loveable tsundere in a new form entirely. It was definitely fun though!

The prompt list I'm following is by @wittythreads on Tumblr. She goes by Elvishdork on AO3.

You can check the prompt list here.

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