Boku no Koto o Ijimetekuru Osananajimi no Tomodachi to Ura de wa Kossori Yarimakutteru Hon

Behind the scenes of my childhood friend who bullies me, I began to be treated as a sexual plaything for his friends… That situation didn’t last long, though, and eventually my childhood friend caught me having sex with his friends. With my childhood friend now drawn into it, the story takes an even more extreme and erotic turn…??