

12-sai.: Chicchana Mune no Tokimeki
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.
Cast

Sayuri Hara
Marin Ogura (voice)

Ai Kakuma
Hanabi Ayase (voice)

Juri Kimura
Yui Aoi (voice)

Shun Horie
Kazuma Hiyama (voice)

Tetsuya Kakihara
Ayumu Tsutsumu (voice)

Shinnosuke Tachibana
Inaba Mikami (voice)

Taishi Murata
Tomoya (voice)

Soma Saito
Yuuto Takao (voice)
Seasons

E1Kiss. Hate. Love.
Apr 4, 2016
Finally, Hanabi Ayase, Yui Aoi, Marin Ogura and the others are 6th graders! One day, the girls are talking about kissing.

E2Confession
Apr 11, 2016
At Yui's household the bath broke and she has to take bath at Hiyama Bathhouse. Even though she decided not to fall in love, she starts having feelings for Kazuma Hiyama.

E3Double Date
Apr 18, 2016
Yuuto asked Hanabi to go out with him. His girlfriend convinces him to take Yui and Kazuma along with them. The two couples go on a double date at the mall.

E4Triangle
Apr 25, 2016
Class 6-2 has a new student: Hanabi's childhood friend who has just came back from Tokyo, who starts having a crush for Hanabi, despite seeming to be a bit of a bully.

E5Birthday
May 2, 2016
Hanabi and Ayumu go shopping to get a present for Yuuto's birthday, after which Hanabi will go on a date with Yuuto and give him his present.

E6Boyfriend
May 9, 2016
Ayumu tries to take Hanabi away from Yuuto. They wind up in a race. Cocoa, who wants to be Yuuto's girlfriend, decides to help Ayumu win. Can Hanabi and Yuuto discover the truth?

E7Beginning
May 16, 2016
After Kazuma asked Yui to walk her home, she thinks what does she like him for. The answer finds it's begin in previous year...

E8Names
May 23, 2016
Hanabi and Yui try to address Yuuto and Kazuma by their names, and to make the boys do the same. In the end, only Yui and Kazuma manage to, when Hanabi and Yuuto couldn't.

E9Friends
May 30, 2016
Due to a misunderstanding, Hanabi and Yui fall out with each other and won't speak to each other for the next few days. In the end, Hanabi reconciles with Yui while defending the latter from other girls from another school.

E10The Weaver Girl and the Cowherd
Jun 6, 2016
With the Tanabata coming along, Hanabi's homeroom teacher asked the class to write something nice about their classmates in their Tanzaku in hopes that it will strengthen the bond between boys and girls in the class.

E11Summer Love
Jun 13, 2016
After accidentally hitting Yui on the head with a football during the gym lesson, Kazuma invites her to a pool date as an apology and they invite Hanabi and Yuuto.

E12Fireworks
Jun 20, 2016
With Yui's cram school lessons and Kazuma's work in his family's bathhouse, Hanabi and Yuuto are left to go on a date at the summer festival.

E1Love Kiss Kiss!?
Oct 3, 2016
After entering her puberty, Yui Aoi started having pimples on her face, which worries her that because her pimple, Kazuma might not like.

E2Rival
Oct 10, 2016
At cram school, Inaba tries to make Yui like him, but in the end she thinks of him as nothing more than a playboy.

E3Promise
Oct 17, 2016
Parent's Day is coming up in class 6-2, and a lot of the family members of the students are coming to the class.

E4Heart
Oct 24, 2016
Yui helps the girls in her class make wish bracelets, which are bracelets that, if worn by the person you like and yourself, will make the two of you stay together forever.

E5After the Rain
Oct 31, 2016
Inaba takes Yui to the fair to cheer her up. He ties her wish bracelet to a balloon and sets it free to symbolize her leaving Kazuma.

E6Balance
Nov 6, 2016
Class 6-2 is performing a school play. The play is Cinderella, and Yui is cast as Cinderella and Yuuto as the prince.

E7One-sided Love
Nov 13, 2016

E8Friend
Nov 20, 2016

E9School Trip
Nov 27, 2016

E10Bye Bye
Dec 4, 2016

E11Forever
Dec 11, 2016

E12I Love You
Dec 18, 2016
Storyline
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.
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