In the year 1986, Ichiro Ogawa is a middle-aged man. He works as a PE teacher and the advisor of the middle school’s baseball team. He is called the "Ogawa of Hell," because he is foul-mouthed and he repeats inappropriate behaviors. But at home, he is a single parent who has raised his daughter alone since his wife died due to a disease. He is an ordinary father who worries about his daughter acting out. Somehow, Ichiro Ogawa travels through time to the year 2024. There, he meets various people, including single mother Nagisa Inushima who works at broadcasting station.
Meanwhile and in the year 2024, Sakae Sakisaka works as a sociologist She is a flag bearer of feminism and frequently appears in the media to talk about gender discrimination or other gender issues. She and her son happen to time travel to the year 1986.