A man who gave up on living in despair with society and himself. Mai, a high school girl, is involved in a confinement incident caused by the man. Mai's classmate, Ujiie, who caused a violent incident and lost her whereabouts. Set in a small port town a little far from the city center, a confinement incident triggers the gears of the three characters, depicting the moment when people with difficulties in life take a step forward.

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