Ecchi na Oniisan ni Seiheki Baremashita A Naughty Guy Finds Out About My Sexual Fetish

Synopsis

A young delinquent boy named Rinsei has a secret hobby. He finds pleasure in anal exploration! Due to an unexpected turn of events, he has to start living with a new family. He meets a flamboyant, silver-haired man named Takanari over there, who ends up learning about his secret. (Source: Booklive)