12歳。
12-sai.
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 manga depicts a 12-year-old girl's innocent worries and first love. (Source: Anime News Network)
Names
| Original | 12歳。 (han) |
|---|---|
| Romaji | 12-sai. |
| English | — |
Facts
Reception
| Community score | 6.01 / 10 |
|---|---|
| Bayesian score | 6.83 / 10 |
| Composite | 41.8 |
| On lists | 3,606 |
| Favourited | 19 (0.5%) |
| Completion | 78.2% |
| Drop rate | 8.7% |
| In backlog | 29.6% |
| Score spread σ | 1.93 |
Score distribution
139226382410752576339727881489871048
Where it places
| Cohort | Value | Tier | Rank |
|---|---|---|---|
| Studio | SynergySP | E | 38 of 42 |
| Broadcast season | Spring 2014 | D | 68 of 89 |
| Demographic | Shoujo | E | 269 of 297 |
| Year | 2014 | D | 308 of 389 |
| Format | OVA (home video) | E | 816 of 944 |
| Length | OVA / Special | E | 1,126 of 1,260 |
| Era | Early 2010s | E | 1,317 of 1,627 |
| Genre | Romance | E | 1,452 of 1,687 |
| Season (all years) | Spring | E | 1,573 of 1,868 |
| Source material | Manga | E | 2,690 of 3,025 |
| Origin | Japan | E | 6,003 of 7,157 |
Key staff
| Original creator | Nao Maita |
|---|
Related
| Relation | Year | Title |
|---|---|---|
| other | 2016 | 12-sai.: Chiccha na Mune no Tokimeki |
AniList id 20716 · MAL id 23579 · Bangumi 101268 · record updated 2026-08-26