Prompt - Mastubation
Armin told himself he wouldn't do this. He'd never, ever, do this. Eren had enough to tease him about and he didn't want this to be added onto it. His 'cute nose'? He could handle comments about that. How his face scrunched up when he thought hard? He could deal. But, god forbid, if Eren found out about this Armin's life would be over.
Despite that risk, Armin was doing it anyways.
Armin curled his fingers inside of himself and whimpered. His position wasn't exactly comfortable – it was hard to finger yourself on your hands and knees – but it was the easiest for him to imagine Eren with him. He could close is eyes and pretend then his boyfriend was twisting his fingers inside of him, not himself. He could imagine him hovering over him, talking to him, even if he was all alone.
"F- Eren," Armin moaned softly. He twisted his fingers a little and yelped when he hit that spot right. "Oh!"
He pulled the corner of the pillow into his mouth, biting it and hanging onto it with his free hand. He pushed back into his fingers trying to get them deeper. Eren did it better. Eren did everything better. This wasn't even nearly satisfactory! But Eren wasn't here, he was still at work, and Armin needed this.
So he did his best. He imagined Eren whispering in his ear, telling him how good he is, how cute he looks so wrecked. He imagined those longs fingers tangled in his hair and those lips kissing down his back.
"Beg for it," Imaginary Eren whispered in his ear. "Beg to cum."
Armin moaned, "Please! Please!"
"You're so good."
With a small jerk of his wrist and a thumb over the tip of his cock, he spilt over the sheets crying out. Armin swayed a moment, head cloudy, before he fell into the mess, but he couldn't be bothered about it. He was exhausted and missing Eren, and now he just wanted to sleep. He'd tell Eren no late night shifts anymore, because if he had to do that again he might just cry.
Eren walked into the room sometime after he had fallen asleep. He could still hear the blond's moans in his ears as he crawled in beside his boyfriend. He smiled; glad he had paused at the door when he did.
Armin put on a good show even if he wasn't trying.
