Sensei no Sefure ni Natte AgeruTeacher, I'm Gonna Fuck You; 先生のセフレになってあげる

"Will you be my sex friend, professor?" Even though I'm not into younger guys, he says he'll help me work out my sexual frustrations and pins me down...\n\n[Official English on Book Walker](https://global.bookwalker.jp/series/315886/)