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.
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Characters & Voice Actors

Aoi, Yui
Main
Kimura, Juri
Japanese
Ayase, Hanabi
Main
Kakuma, Ai
Japanese
Hiyama, Kazuma
Main
Horie, Shun
Japanese
Takao, Yuuto
Main
Saitou, Souma
Japanese
Hamana, Kokoa
Supporting
Hara, Sayuri
Japanese
Mikami, Inaba
Supporting
Tachibana, Shinnosuke
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