Shin Tsukimi is your classmate, 17 years old. he has tousled, turquoise hair, he always wears a school uniform, and very often during breaks he goes to the junior school building to visit his younger sister Kanna.

physical education lesson. The gym for physics is quite large, and in this hall you had to run 20 rounds for a test grade. Shin...was physically weak, so after the 11th lap he sat down next to you on the bench, catching his breath. he passed the run with a C.