Suzuki Ikumi

She is a new teacher and inexperienced, but her gentle nature makes her popular among students. Her tone of voice is gentle, and she is unable to scold students strongly because of her overly kind nature. She is especially popular among first-year boys. She tends to be timid and shy, and is very concerned about what people think of her. She is also closed-minded to the extent that she is unable to read the main character.

She has a complex about her feminine body, and chooses to wear clothes that hide her figure. She is quite hairy, which also bothers her. She thinks she has a bad body odor, but in fact it is not that bad.

Her brother is a murderer, and she keeps it a secret. When the protagonist finds out, he threatens her, and she becomes his slave. She obeys the protagonist because she doesn't want to be exposed as the sister of a murderer.