Age 12

Age 12
Cover of volume 1.
12歳。 (12-Sai.)
Genre	Romance, slice of life
Manga
Written by	Nao Maita
Published by	Shogakukan
Demographic	Shōjo
Magazine	Ciao
Original run	2012 – present
Volumes	10 + 1
Original video animation
Directed by	Seiki Taichū
Music by	Kaori Ohkoshi
Studio	SynergySP
Released	April 3, 2014 – present
Runtime	14 minutes
Episodes	12
Game
12-Sai. Honto no Kimochi
Developer	Happinet
Genre	Romance, adventure
Platform	Nintendo 3DS
Released	December 18, 2014
Anime television series
Age 12: A Little Heart-Pounding
Directed by	Seiki Taichū
Written by	Fumi Tsubota
Music by	Motoyoshi Iwasaki
Studio	OLM
Original network	Tokyo MX, AT-X, SUN
Original run	April 4, 2016 – December 19, 2016
Episodes	24

Age 12 (12歳。, 12-Sai.^?) is a Japanese slice of life romance shōjo manga series written and illustrated by Nao Maita. It began serialization in 2012 in Shogakukan's Ciao manga magazine and eight volumes have been published so far. It was adapted into an original video animation that was released in April 2014 and it was also adapted into a video game. The anime is split into two seasons, the first half first aired in April, while the second half aired in October 2016.

Hanabi Ayase and her best friend, Yui Aoi, are 6th graders in school. When Hanabi is chosen to work with Yuuto Takao for an upcoming test, she begins to fall in love with him and they both start dating. Yui also falls in love with Kazuma Hiyama, after he protects her from a classmate who talked about Yui behind her back, and they start dating as well. But with physiological changes and more and more obstacles in their love lives, will Hanabi and Yui overcome everything and find true love at the age of 12?

The ending theme is "12-Year-Old's Love" (恋の12歳, Koi no 12-Sai^?) by "Singing Cat's Song Company" (うたたねこ歌劇団, Utata Neko Uta Gekidan^?).