Study on the Difference in Happiness and that of the Person Receiving the Service to the Population

Hen Zemi (TV) · Episode 4 · “Study on the Difference in Happiness and that of the Person Receiving the Service to the Population”

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...