Tenshin-senpai, you're too cute~nyan!! In the familiar world of demon realm shopping, Satania bought the "Animal Transformation Cookies" that turn you into an animal when eaten. Naturally, Satania tries to make Gabriel eat one, but her plan gets exposed and seems to fail... or so it was supposed to! The cookies get confiscated by Tapris, and as a result, they end up in Gabriel's mouth... Wait, senpai? You have cat ears on your head and a cute tail coming out from your backside!! This is the 14th volume of the popular "Daten-shi School Comedy" series, which has surpassed a total of 1 million copies!