BARKING GROWLING yesyesyes Osamu just not realizing at first bc he's so dizzy on how that hole feels made for his cock- And then he recognizes the sound of a particular pitch up when the person on the other side sucks in a sharp breath l And then he's ruined and he knows it

YESSSSS BECAUSE THERES NO WAY THEY SHARED A ROOM FOR 18 YEARS and never discovered what the other’s moans and shit sounded like.