People failed their suicide attempts and have given up their right to live while in the hospital. The government officially lists them as dead and dump them on an island.
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First chapter is scanlated by Red Hawk scanlations. The author is the same person that did Holyland.
It gives off a Battle Royale/Lord of the Flies kind of feel. Although, they haven't started killing each other yet...
A few of them commit suicide after waking up though.