His young wife, Minami, married Hayato, a section manager of a listed company who was introduced by a relative. Hayato was a man who was more than twice as old, but it was love at first sight because he resembled his deceased father. Now he lives a modest but happy life. One day, the absurdity comes suddenly. Thinking about having a child, he moves to a slightly larger apartment with the money he has saved, but the yakuza who has an office next door are chatting, and the two ...... to fall into the depths of hell.