Mirai Kazeno, the main character, is hit by an earthquake on his way home from a soccer match. When he wakes up, he finds himself on an unfamiliar isolated island. A suspicious shadow follows Mirai who is trying to return home without knowing right or left . When the shadow attacks Mirai using an unknown ability, a powerful wind blows out from Mirai's hand. Those gathered on the island have a hole in their palm, and use the ability to get out of the hole to collect puzzles. And only those who complete the puzzle can leave the island. Mirai is confused when he suddenly gets caught up in a survival game, but he decides to confront the ringleader in order to escape from the island with all his friends. A modern survival manga about a boy who learns how to survive on an isolated island on his own!!