is a Japanese manga series written and illustrated by Kouji Mori. It was serialized in Hakusensha's manga magazine Young Animal from November 2008 to August 2016, with its chapters collected in seventeen volumes. A prequel series, titled Muhōtō, was serialized in the same magazine from February 2019 to July 2022, with its chapters collected in six volumes.
Plot Sei is a young man who is sent to a remote island after repeatedly attempting suicide, signing a document renouncing his will to live. Upon waking, he finds himself among other people who have also attempted suicide and were declared legally dead by the government. They learn that they have been exiled to the island, where there are no rules, except that escape is forbidden. The inhabitants are free to live as they choose, including ending their lives if they wish.
After witnessing the brutal consequences of suicide attempts on the island, Sei and several others decide that if they cannot die, they must learn how to live. The group begins to build shelter, gather food, hunt animals, and create a functioning community, while other groups on the island descend into violence.
Publication Written and illustrated by Kouji Mori, Suicide Island was serialized in Hakusensha's manga magazine Young Animal from November 14, 2008, to August 26, 2016. Hakusensha collected its chapters in seventeen volumes, released from August 28, 2009, to October 28, 2016.
A prequel, titled , was serialized in Young Animal from February 8, 2019, to July 22, 2022. Hakusensha collected its chapters in six volumes, released from September 27, 2019, to September 29, 2022.
In March 2026, Dark Horse Comics announced that it had licensed the manga for English release in North America.
Suicide Island
Muhōtō
Reception By February 2019, Suicide Island had 3 million copies in circulation.
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