Takumi Musashino suffers from a terminal illness and agrees to try an experimental treatment which turns him into a girl, and also into a complete and utter raging slut. Watch as Takumi goes from an almost altruistic loaner of his female body to hopeless fellow male virgins to a rock bottom literal whore!
Dude has to impregnate every single chick in his high school to save them. From what you ask? Fuck knows. As a wise man once said - Fap first, ask questions later.