Reina, who has become lonely and far from the college life she envisioned with her friends when she was a schoolgirl because of her shy personality, is so exhausted that it is difficult to continue her college life. Now, during the spring break of the second year, I was going home and thinking about the future. Ahead of that, I ran on the way to my parents' house. ● I met Mizuno, a former teacher who was a teacher at school.