12-Sai.

Official Title 12-Sai.
Japan Title12歳.
TypeOVA
Episodes12
From2014-04-03
Till2015-12-01
Genreshalf-length episodes, manga, middle school, romance, school life, shoujo

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 manga depicts a 12-year-old girl's innocent worries and first love. Source: ANN Note: Part of Shogakukan's Ciao magazine's Ciao Ciao TV! DVD series.