12-sai.: Chicchana Mune no Tokimeki (Animation, Japanese)
Genres: Drama, Anime, Romance
Status: Ended
Premiered: 2016-04-04
Ended: 2016-12-19
Network: Tokyo MX
Country: JP
Airs on: Monday
Air time: 19:30
Runtime: 30 minutes
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.