[Do S! Do Slut! ! Live-action adaptation of the original work Yunabe, which is currently in progress, is a Masegaki work that bullies adults.] I and Koharu are neighbours, students, and have a brother-sister relationship. Koharu said to me, who was in despair after being cut off because of her virginity, "I'll teach you sex." Abstinence, Strong Ejaculation... In An Echiechi World Where You're Fucked And Trained By A Younger Girl, Your Sense Of Ethics Is Broken!