Touka Mizumori, a female college student attending a university in Tokyo. She has a style that puts a model to shame and a beauty that everyone turns around, but she was a hardcore loner who was not good at socializing. A local childhood friend, Kokou, appears in front of her. Kokoro has become a magical girl. And she invites Touka to become a magical girl. However, Touka immediately refused her. "Because I 'm a college student...!?" When she transforms, she becomes a naked and exposed person, and when she goes around the city, she is called a slut, and at the end of the day, she is attacked by an enemy monster. Which one will tomorrow be for the novice magical female college student Christia!? It's the arrival of the era of magical female college students who are full of sex appeal with erotic chubby buddies!!