Hotaru Nakano a girl, who haves forgot the ways of love, after her mother death. Meets Sakura Akiyama, who show her the meaning of life and how loving someone has a nice feeling to it. While finding out who killed her mother. The more she hangs out with Sakura the closer she gets to her mother's case. Does Sakura have something to do with her mother death? Or is she the one guiding her?