Rokubuchi, an average middle school male student, accidentally finds two of his female classmates, Natsume Oinugawa and Tamazawa Hisae, making out after school. After much debate, Rokubuchi confronts them only to find out an incredible secret about Natsume. She is a werewolf and because of puberty, the wolf side of her genes starts to get more dominant. Natsume is now able to turn into a half wolf state with paws, wolf ears and a tail. To suppress the growing wolf side, Natsume has been drinking human blood from Tamazawa and now that Rokubuchi knows her secret too, he also becomes Natsume’s blood dispenser. Amazingly, when Natsume drinks blood from a person, that person starts to fall madly in love with her regardless of gender. How will hormone raging middle school teens be able to control themselves and keep Natsume’s secret?