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Season guide

12-sai.: Chicchana Mune no Tokimeki: Season 1

12 episodes Premiered Apr 4, 2016 Updated Sep 3, 2026
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Season 1 Episodes

Episode Guide

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Season 1 Progress Shield

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Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

25%
75%
Mytharc (3): Crucial lore & season climaxes
Core (9): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Kiss. Hate. Love.

Apr 4, 2016 · 24 min

Finally, Hanabi Ayase, Yui Aoi, Marin Ogura and the others are 6th graders! One day, the girls are talking about kissing.

S1·E2 Core

Confession

Apr 11, 2016 · 24 min

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.

S1·E3 Core

Double Date

Apr 18, 2016 · 24 min

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.

S1·E4 Core

Triangle

Apr 25, 2016 · 24 min

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.

S1·E5 Core

Birthday

May 2, 2016 · 24 min

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.

S1·E6 Core

Boyfriend

May 9, 2016 · 24 min

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?

S1·E7 Core

Beginning

May 16, 2016 · 24 min

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...

S1·E8 Core

Names

May 23, 2016 · 24 min

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.

S1·E9 Core

Friends

May 30, 2016 · 24 min

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 l

S1·E10 Core

The Weaver Girl and the Cowherd

Jun 6, 2016 · 24 min

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

S1·E11 Mytharc

Summer Love

Jun 13, 2016 · 24 min

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.

S1·E12 Mytharc

Fireworks

Jun 20, 2016 · 24 min

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.

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