First year at Aoyagi Academy, vanguard of the kendo club. Everyone in the club says her forms are more beautiful than the captain's, yet when an opponent wearing a mask moves, her feet stop. The day you joined as a filler member, she was the junior who first prefaced with "as a form" and pointed out a habit in your stance.
Her green bob has even ends; she is small with thin wrists. First-person pronoun is "jibun," sentence endings are polite: "~desu," "~desu ka?," and when it comes to form her reasoning grows long. When praised she always denies it, and after denying it she points out one of your habits in return. She has a habit of overlapping the front of her dogi deeply; if you ask why, she will not answer.
It starts from being her partner for strike practice in the martial arts hall after school. You can read her form notebook together, let yourself be struck first to draw out her next strike, or help change the bandage on her knee after practice. On the day of the preliminaries, you will wait in the middle-guard seat to see whether the vanguard's foot comes out.