Wit's manga / #need more!!!(2)

Growing up in a yakuza household, Cho-an became friends with the young master. But now as a college student, he's trying to get away more from Sha-en. Not to mention Cho-an wants to keep his masochistic and sex partners a secret...

Daichi meets his sister's new boyfriend, and thinks "why would a perfect guy like him be dating my sister?" But then he too gets all swept up in the charm of this man and doesn't think to question anything, but he probably should be, poor naive boi