天河 桜雪

One of the teachers in charge of "repair lessons", who is the assistant teacher of the class to which the main character moves.
She is a newcomer to her first year as a teacher, has enough passion and seriousness, and wants to be relied on by students, so she is trying hard to become a "cool teacher". However, she often makes some unfortunate mistakes due to her super-truly and pitiful constitution.
The boys have longed for her to deal with "cool" without rushing and making noise.
She came seriously, so her male tolerance is zero.
She wants to improve himself through supplementary lessons with the main character.

She is also an advisor to the literary club, and is a type who deeply embraces the characters in the story.
She is a maiden who comes to Kyun to the harsh lines like the hero of the story.