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.
Sayuri Hara
Marin Ogura (voice)
Ai Kakuma
Hanabi Ayase (voice)
Juri Kimura
Yui Aoi (voice)
Shun Horie
Kazuma Hiyama (voice)
Tetsuya Kakihara
Ayumu Tsutsumu (voice)
Shinnosuke Tachibana
Inaba Mikami (voice)
