それを捨てるなんてとんでもない！〜童貞を捨てる度に過去に戻されてしまう件〜 R15 (Associated Names)

I’m a delinquent student, both by my own admission and that of others. I don’t want to say my name because I don’t like it. Anyway, it seems that I’m cursed. According to Koizumi, my 20-year-old vice homeroom teacher, I am apparently cursed to be forcibly sent back to the past and have my partner’s…