Koromogae Touko

Female teacher at the school.

She is a couple of years older than the protagonist and is his boss. She is a cousin, related to Nao and not to the protagonist by blood. She is cold and cynical in appearance and in personality.

However, it is from her grandmother and parents that she inherits the house and the title of school chairman of the board.
It is a heavy responsibility of being the successor, she is tired of wearing such a mask.

Deep down, she is a caring and kind-hearted woman. While she is often seen as cool, she has a masochistic temperament.