Cocoon Box Office - Summary
Released 4 Sep 2026
| Metric | Value |
|---|---|
| Days tracked | 1 |
| Domestic | $10.0K |
| Opening Day | $10.0K |
| International | $3.00M |
| Worldwide | $3.01M |
| First week | $10.0K |
Budget
The production budget has not been officially confirmed by the makers.
Verdict
Pending
The verdict will depend on the film's final theatrical performance and reported budget. Once sufficient data is available, this section will be updated. No verdict is assigned yet.
Cocoon Box Office - Day Wise
| Day | Date | Domestic | % ± (DoD) |
|---|---|---|---|
| Day 1 | Fri, 4 Sep 2026 | $10.0K | Opening day |
Weekly Collection
| Period | Date Range | Domestic | % ± (DoD) |
|---|---|---|---|
| WEEK 1 | 4 Sep 2026 – 4 Sep 2026 · Day 1–1 | $10.0K | — |
Weekend Collection
| Period | Date Range | Domestic | % ± (DoD) |
|---|---|---|---|
| WEEKEND 1 | Fri, 4 Sep 2026 – Fri, 4 Sep 2026 | $10.0K | — |
Disclaimer
Tenvow is an independent box office tracker, not affiliated with any producer, studio, distributor or ticketing platform. Figures are based on our in-house tracking and may differ from official numbers. If you use our data, please credit Tenvow with a link.
OTT Release
Cocoon’s digital premiere is not official yet. This section will be updated when the streaming platform and date are announced.
Updated
Cocoon – One Summer of Girlhood 2026 Overview
Title: Cocoon – One Summer of Girlhood
Directed by: Yukimitsu Ina
Written by: Yukimitsu Ina, Taku Kishimoto
Produced by: Jun Sakata, Yukiko Yagi
Actor: Hikari Mitsushima, Yoko Hikasa, Rena Motomura
Actress: Marika Ito, Chinatsu Akasaki
Other Cast: Aoi Koga, Miyuki Sawashiro, Yume Miyamoto, Izumi Aoyagi, Umeka Shoji
Music by: Kensuke Ushio
Production Companies: Sasayuri, NHK Enterprises, NHK
Distributed by: GKIDS
Release Date: September 4, 2026
Country: Japan
Language: Japanese
Film Industry: Japanese Cinema
Genre: Animation, Drama, History, War
Censor Rating: NR
About The Film
Cocoon – One Summer of Girlhood follows San and Mayu, two students at an all girls school on a peaceful island.
When war reaches their home, they are ordered to help nurse wounded soldiers in a military hospital hidden in a cave.
As the conflict intensifies around them, the friends try to hold on to moments of comfort and connection amid growing hardship and loss.
The story is inspired by the real life experiences of the Himeyuri Corps during the Battle of Okinawa in World War II.
Yukimitsu Ina makes his feature directorial debut with the film, which is also the first feature from animation studio Sasayuri, founded by former Studio Ghibli animator Hitomi Tateno.
The screenplay was co-written by Ina and Taku Kishimoto. Music is by Kensuke Ushio.