from Abnormal Physiology Seminar (Hen Semi)
A new student from Kanazawa, Ishikawa. She looks like a delinquent, but actually has a split personality. [Source: MyAnimeList]

Abnormal Physiology Seminar (Hen Semi)
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...