Toma lives in a small riverside town with his brutish father and his father's girlfriend. Witnessing his father's predilections for abuse, Toma becomes anxious that he will have inherited those urges.

12 years ago, Hideto crippled his younger brother Masato in an accident in the woods. Hideto had avoided Masato ever since, but meets a physically healed but emotionally wounded Masato when he visits home one day. This Masato gets him to face the accident. Hideto then goes to meet the real Masato.

Even on the morning of the important entrance exam interview, Megumi had her usual nightmare. The dream is a scene of group bullying to her sister Nao in her after-school classroom. And Nao goes to the platform of the station ... Oversleeping Tamegumi runs to the station. She rushes to the train just before departure while she hits a man in a suit on the way. The time is "9:20". The slight train delay caused by this rush ride will then upset the fate of various people.