12歳。～ちっちゃなムネのトキメキ～
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...
Source: MyAnimeList
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Sweet Sensation
Cotona MODE
Curated recommendations for fans of 12-sai.: Chicchana Mune no Tokimeki.
Other anime produced by OLM.
Other anime that aired alongside 12-sai.: Chicchana Mune no Tokimeki.
Top-rated romance anime ranked by score.
Top-rated school anime ranked by score.
Chronological viewing order for franchises with movies and OVAs.
Streaming platforms and availability for popular anime.
Where to start reading once an adaptation ends.
