Yu Kozono

Ten years ago Keisuke went to Tokyo to become a musician. He receives a call from his far off hometown informing him of the funeral for his older brother who went missing while fishing at sea. Having lied he achieved success in Tokyo, Keisuke is hesitant but nevertheless returns home. Gathered at his parent's house are his father who lives alone; his brother's ex-wife; Hiroshi, a classmate who was the last to see his brother; and Hiroshi's younger sister Nagi who bears a limp.

会社をリストラされてしまい、コンビニのバイトで生計を立てている中津。ある日、彼は驚異的身体能力を持つニートの土志田、圧倒的な情報収集力を誇る女子高生カオリ、両腕に忍ばせたハンマーを自在に操る定年が近い会社員・日下と出会い、それぞれの能力を生かした自警団を結成する。その活躍を住民から賛同され、彼らは自警団を警備会社へと拡大。しかし、メンバーとして新たに迎え入れた者たちの一部の振る舞いによって、秩序が乱れる。