Misaki Mizuki

Kumiko's daughter.

The protagonist of the story.
A teacher at the school in her fourth year. Sincere and caring, she has a good reputation among both students and teachers. She is a cute woman who is reliable at work but has a slightly careless side in her private life. Shortly after arriving at the school, she encounters an incident in which a female student she was close to commits suicide. Her feelings of guilt for not being able to guide her in the right direction become the catalyst for her growth into a trusted teacher. She always puts her students first and acts with empathy.
After a long relationship, she has just become engaged to "Kimihara Noriyuki".