cocoon ～ある夏の少女たちより～
cocoon – One Summer of Girlhood
San and Mayu are two schoolgirls living in Okinawa during the closing months of the Pacific War. Together with their classmates, the two friends are drafted into the war effort as nurses for wounded soldiers. When ordered to die for their country, the remaining members of the group escape only to face the harsh environment of a tropical paradise that has become a hellish battlefield.
Names
| Original | cocoon ～ある夏の少女たちより～ (japanese) |
|---|---|
| Romaji | cocoon: Aru Natsu no Shoujo-tachi Yori |
| English | cocoon – One Summer of Girlhood |
| Chinese | cocoon 繭 ～來自某個夏天的少女們～ (traditional · via wikidata) |
| Also known as | cocoon -One Summer of Girlhood- · コクーン |
Facts
| Format | Special · 1 ep · 62 min · 1h total |
|---|---|
| Aired | 2025-03-30 (Spring 2025) |
| Status | FINISHED |
| Studio | Sasayuri |
| Source | Manga |
| Origin | Japan (Anime) |
| Demographic | Josei |
| Genres | Drama |
| Themes | WarFemale ProtagonistSurvivalMilitaryHistoricalJoseiPrimarily Female CastPrimarily Teen CastRuralCoastal |
Reception
| Community score | 7.57 / 10 |
|---|---|
| Bayesian score | 7.59 / 10 |
| Composite | 53.9 |
| On lists | 7,066 |
| Favourited | 67 (0.9%) |
| Completion | 84.7% |
| Drop rate | 1.8% |
| In backlog | 69.2% |
| Score spread σ | 1.60 |
Score distribution
1102931742755961257297840592851095
Where it places
| Cohort | Value | Tier | Rank |
|---|---|---|---|
| Broadcast season | Spring 2025 | C | 22 of 66 |
| Demographic | Josei | C | 35 of 113 |
| Format | Special | B | 106 of 872 |
| Year | 2025 | C | 113 of 284 |
| Era | Mid 2020s | C | 192 of 487 |
| Length | OVA / Special | B | 254 of 1,260 |
| Season (all years) | Spring | C | 564 of 1,868 |
| Genre | Drama | C | 873 of 1,917 |
| Source material | Manga | C | 1,100 of 3,025 |
| Origin | Japan | C | 2,003 of 7,157 |
Key staff
| Director | Yukimitsu Ina, Youichi Watanabe, Jirou Tazawa |
|---|---|
| Character design | Mebachi, Tomomi Ozaki |
| Original creator | Machiko Kyou |
AniList id 166527 · MAL id 55779 · record updated 2026-08-27