[It sucks that he's losing that competition, then.
Shiro decides that he likes that noise, and he'll speed up both his hand movements and his thrusting to try to get Stein to be more vocal. He's good at keeping himself quiet, but sometimes he forgets about his partner's volume too.]
no subject
Shiro decides that he likes that noise, and he'll speed up both his hand movements and his thrusting to try to get Stein to be more vocal. He's good at keeping himself quiet, but sometimes he forgets about his partner's volume too.]