Nakatsu was laid off at his company and now works part-time at a convenience store. One day, Nakatsu forms a vigilante group to protect his town with Toshida, who has a mysterious physical ability, Kanari, who is a female high school student with excellent information gathering abilities, and Kusaki, who wields hammers under his sleeves. As they punish evil doers, the group gains popular support and flourish.

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.