Asazuki Yuuhi

The ace of the track and field club where the main character serves as an adviser.
Although she is quiet and expressionless, she is a girl of action whose body moves before she thinks, although she lacks the ability to express her emotions.
She is a clumsy, focused girl who is so obsessed with track and field that she neglects other things.
Due to her hard work practicing, she is often hungry, and the protagonist often gives her sweet, which caused her to become attached to him

Translated from https://www.getchu.com/soft.phtml?id=1273918