Purification Esper

※This work contains mentions of masturbation/pregnancy. Please keep this in mind when purchasing. "Teacher, did you know? I never learned how to masturbate, so I've never done it properly." "Huh... Huh?" "You never taught me that." After dying in an accident, Hajin finds himself transmigrated into the protagonist of the book he was reading. Hajin, who had been living his transmigrated life stably, recently develops one worry. It's because of the lewd requests Benny makes the moment he turns twenty. Benny, who lusts after Hajin like a dog in heat, yet steals Hajin's sanity with an innocent and guileless expression. Whenever Benny asks what a kiss is or what sex is, Hajin always answer...