|Alternative Titles||: Age 12., Juuni-sai., 12歳。～ちっちゃなムネのトキメキ～|
|Status||: Currently Airing|
|Aired||: Oct 3, 2016 to ?|
|Genres||: Romance, School, Shoujo|
|Rating||: PG – Children|
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.