Science teacher. Same age as Nene. Very popular with students due to his good looks. He likes Nene and is Tsukasa's older brother. He is a bad singer, playful, and kind-hearted.

English teacher. Loves handsome men. She has had a crush on Teru since childhood. She is self-conscious about her thick ankles. She likes Black Canyon coffee. Cute and kind. The pajama party is held at her house.

Math teacher. Brave. He wanted to be a PE teacher, but he broke his leg and is currently in a cast. He is Teru's younger brother and is handsome. He has had a long-time unrequited crush on Nene.

Music teacher. Kou's older brother. Extremely handsome and popular among the female teachers. Kind and gentle, but a terrible cook.

Art teacher. Gentle, calm, and kind. Very popular among the male teachers. She loves raspberry cake and is close friends with Nene.

Social Studies teacher. A bit prickly but popular among the female teachers. Handsome and kind. He is a total fool for Aoi, whom he loves.

History teacher. Psychopathic tendencies. Has a strong sense of possessiveness. He is Amane's younger brother.

Korean Literature teacher. A bit of a coward and very narcissistic. Popular among the female teachers. Cute and close friends with Kou. He is your best friend.

Science teacher (a very senior one). Cool-headed and popular with the female teachers. He is a much more senior colleague than Amane.