Arisugawa grew in a house with a drunk nudist of a father and a delinquent as a brother, resulting in a man hating attitude. Strange men would constantly hit on her, where she will respond violently to them, gaining the nickname "Arisugawa the Manhunter".

After encountering a shinobi named Kuro, she gets transferred into another world where she became a man. In this strange world, she has to cooperate with Kuro in order to return to her world and regain her body.