The story begins with Hanabi, a sixth-grade girl who is neither an adult nor a child. She deals with issues such as accidentally witnessing her homeroom teacher kissing, and worrying about experiencing physiological changes before her friends. The series depicts a 12-year-old girl's innocent worries and first love.
Marin Ogura (voice)
Hanabi Ayase (voice)
Yui Aoi (voice)
Kazuma Hiyama (voice)
Ayumu Tsutsumu (voice)
Inaba Mikami (voice)
Tomoya (voice)
Yuuto Takao (voice)