Reaching a period of life where they are neither a child nor an adult, 12-year-old Hanabi Ayase and Aoi Yui meet with life-changing events. Due to the mischievous demeanor of her male classmates, Ayase does not think highly of the opposite sex. However, her perspective begins to change after she is paired with the kind-hearted Takao Yuuto for a class assignment and unexpectedly shared their first kisses with each other on the school rooftop.
With her best friend discovering love, Aoi yearns to seek her own. She finds herself falling in love with the rash Kazuma Hiyama after protecting her from a rejected suitor who had talked behind her back.
12-sai.: Chicchana Mune no Tokimeki follows the four in this phase of adolescence. As they grow up alongside each other, this sweet romance depicts the innocence and excitement of first love.
[Written by MAL Rewrite]+ More
More Seasons
Characters & Voice Actors

Aoi, Yui
Main
Ayase, Hanabi
Main
Hamana, Kokoa
Supporting
Ogura, Marin
Supporting
Tsutsumi, Ayumu
SupportingRecommended for you
Blue Reflection
TV
24m
Mewkledreamy Mix!
TV
24m
Re-Main
TV
22m
The Devil is a Part-Timer!!
TV
23m
Idol Land PriPara
ONA
24m
Akebi's Sailor Uniform
TV
24m
The Quintessential Quintuplets: The Movie
Movie
136m
Memory of Chang'an 2nd Season
ONA
15m
Soul Land: 6th Season
ONA
20m