Age 12 (12歳。 12-Sai.) is an Japanese slice of life romance shōjo manga series written and illustrated by Nao Maita. It was adapted into an original video animation that was released in April 2014 and it was also adapted into a video game. An anime television series adaptation has been announced to air in April 2016.
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.
[May 25, 2016] ED: A応P – Cotona MODE
[Jun 01, 2016] Opening Theme: “Sweet Sensation” – Rie Murakawa
[Nov 09, 2016] ED2: Machico – Yuki no Tsubasa
[Dec 21, 2016] 12-sai. ~Chicchana Mune no Tokimeki~ Original Soundtrack