During summer vacation Natsumi is busy studying for her entrance exams. One day, as a change of pace she plays baseball with her childhood friend, Yusho. He suggests that they invite someone else to join them but that makes Natsumi uncomfortable. The friend he was going to invite was her "former best friend" whom she had not spoken to in a while.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.