Yaoi manga: the protagonist is feared delinquent and his childhood friend shows up and touches his nipples, which are extremely sensitive because they used to play a game where you have to locate the person's nipples.
It's Chiku Bingo
Thank you so much. (●'◡'●)ﾉ
Yaoi manga: the protagonist is feared delinquent and his childhood friend shows up and touches his nipples, which are extremely sensitive because they used to play a game where you have to locate the person's nipples.