Korekiyo is an aloof and intelligent anthropologist who is passionate about his talent and believes in "humanity's unlimited beauty". He does not believe in gods, but believes in ghosts, souls, and the afterlife. Korekiyo is a strange and sometimes morbid student who is interested in anthropology and possesses idiosyncrasies. He is sadomasochistic and willing to have physical relationships, but refuses to look at pornography. He is romantic and fond of forbidden love stories.