Synopsis
Ritsuko Sakakibara is due to give birth and her sister, Reiko Mikami, will soon enter class 3-3 at Yomiyama North Middle School. This tale explores the days of both sisters—prior to the unexpected severance of their lives—many years before Kouichi Sakakibara will enter class 3-3 of the same school. [Written by MAL Rewrite]
