I Love My Big Sister, But When I Watched My Classmate Bullies Fuck Her And Pass Her Around, I Started Feeling Horny … (Sob) All I Could Do Was Pretend Not To See It Happen. Hikari Ninomiya (2021)

I am bullied by my classmates every day. I really don't want to go to school. But I don't want to worry my sister, so I go to school every day. Meanwhile, I don't know how they found out, but they said they wanted to meet my sister. I don't know what will happen if I go against them. So I have to follow... But... I didn't expect something like this to happen...