12-sai.: Chicchana Mune no Tokimeki

Twelve-year-old Hanabi Ayase and her gentle classmate Yui Aoi are elementary school students poised delicately between innocent childhood and bewildering adolescence. When Hanabi is paired on class duty with mature classmate Takao, their initial bickering gradually transforms into sweet mutual attraction and her very first romantic confession. Meanwhile, Yui navigates complex insecurities and tender emotional awakenings alongside sporty boy Hiyama. Together, the young girls support each other through classroom gossip, physical changes, and fluttering heartbeats, learning the tender vulnerability and joy that accompanies growing up.