DVAJ-686 - I'm a gloomy guy who is made to watch over a bad couple having sex at school, but after the fact, a girl who is not satisfied with her premature ejaculation boyfriend secretly invites me to be a substitute dick

Original title: 学校でSEXする不良カップルに見張り役をさせられてる陰キャな僕だけど、早漏彼氏では満たされない女の子に事後こっそり誘われ代役チ〇ポとしてハメまくり中出ししまくりの充実した日々を送ってます。

I'm a gloomy guy who is made to watch over a bad couple having sex at school, but after the fact, a girl who is not satisfied with her premature ejaculation boyfriend secretly invites me to be a substitute dick and I spend my days fucking and cumming inside her