Synopsis
Shuichi is a member of the tennis club. Even though there are only five members in total, he enjoys his school life together with them. One day, the situation around him begins to change after Shuichi gets injured in an accident. While Ai, one of the club members, kindly looks after him, Mio, his younger sister, remains grumpy. Amid this unpleasant atmosphere, a major accident occurs that completely transforms the circumstances.