Hen Zemi

Matsutaka Nanako is a normal university student, who happened to enroll in an Abnormal Physiology seminar. She tries to keep her mental state sound, but other abnormal classmates start to influence her personality...

Medaka is a high school student. She wants to be a doctor, and she’s just transferred to Tanaka Private School on the recommendation of her parents. But she finds that his school looks a bit strange. For example, Pochi is such a smart student who always gets full marks, but he is a dog. And there are other classmates: Nekoko, a cat, who thinks of Pochi as a rival, Misa, a five-years-old girl. Of course, her home room teacher, Mr. Tanaka, is not normal. His face is ... A fish?!

Yoshida Chizuru is the sexiest co-ed in her class. Secretly, she's been appearing in TV commercials - despite the fact that students are forbidden from working. But one of her professors has uncovered her secret and hopes to use this information to his advantage. Yoshida's got plans of her own, and has no intention of giving up her acting career...

The person waiting for Tokirou Ehara, newly appointed English teacher at famed Mitsuba Girls High School (and, incidentally, still a virgin), is Miyako Hase, whose pure and innocent face hides her "playful" nature! When he accidentally finds out her secret, Tokirou marshals his pride as a teacher and plots to make Miyako a proper student - but gets wrapped up in her cute charm instead.