Hagino, her husband Atsuhiro and her teenage stepdaughter Moeka move into a new house. For someone who was not blessed with a warm affectionate family, this was what she had always dreamed of. However, one day while Hagino is out, she receives a call from Moeka asking for her help. She rushes home and finds her house turned upside down, Moeka's clothes torn to shreds and a strange young girl is standing over her, with a pair of scissors in her hand.

Ren Takahashi and Aoi Sonoda were both born in 1989. They met for the first time at the age of 13 and became each other's first love, but they separated. At the age of 21, they met again. They were unable to undo their past. Now, they are 31 years old.

18-year olds Mikan and Maya spend their monotonous summer days working at an exotic fish store in the quiet suburbs of Tokyo, until one day an opportunity of a lifetime presents itself in the form of a rare fish. This tale chronicles the adolescent pains of friendship, hope, and what it means to believe.