Aku just wants to try it, he just wants to see what all the fuss over sex is about, he doesn’t think it’ll be anything special or half as good as others on the streets have made it out to be

but once he has Atsushi inside him, he gets it, it’s damn near transcendent, even more so because the weretiger doesn’t know a thing that happening, like a dirty secret, his walls flutter around the delicious intrusion stretching him so wide it’s painful in a way that causes a hot heat to burn in his belly, and each time he gently rocks his hips and his clit gets bumped he has to bite into a rashoumon tendril just to keep quiet, before long he’s cumming, gushing around the weretiger’s cock that twitches against his pulsing cunt and falls into Atsushi’s chest, exhausted and panting, the beast beneath him does not wake, continuing to snore and chuffing lightly into Akutagawa’s neck, only his hip move, thrusting involuntarily until he’s emptying inside Akutagawa, soothing the ache that’s begun to set in