| Cocoon | |
| Ja Kanji: | コクーン |
| Ja Romaji: | Kokūn |
| Genre: | War |
| Type: | manga |
| Author: | Machiko Kyō |
| Publisher: | Akita Shoten |
| Demographic: | Josei |
| Magazine: | Elegance Eve |
| First: | March 26, 2009 |
| Last: | May 27, 2010 |
| Volumes: | 1 |
| Type: | anime |
| Studio: | Sasayuri |
| Network: | NHK |
| First: | Q3 2025 |
| Last: | scheduled |
is a Japanese manga series written and illustrated by Machiko Kyō. It was serialized in Akita Shoten's josei manga magazine Elegance Eve from March 2009 to May 2010. An anime adaptation produced by Sasayuri is set to premiere in Q3 2025.
Written and illustrated by Machiko Kyō, Cocoon was serialized in Akita Shoten's josei manga magazine Elegance Eve from March 26, 2009 to May 27, 2010.[1] [2] The series is the first part of Kyō's trilogy of manga about war. Its chapters were collected into a single book volume on August 5, 2010.[3] A single tankōbon volume that consists of the series' chapters and a side-story was released on April 17, 2015.[4]
An anime adaptation was announced on June 27, 2023. It is produced by Sasayuri, with Hitomi Tateno serving as animation producer. It is set to premiere in Q3 2025 on NHK.[5]