Mayu, a young wife, married a colleague from her days as an office lady. Although they were not rich enough to live lavishly, they lived a happy life with their kind husband. Then, one day, absurdity suddenly struck. Thinking about having children, she spent the money she had saved little by little to move to a slightly larger apartment, but it turned out to be a hellish apartment with a yakuza office next door. When the yakuza started to make a fuss, the two of them were sent to the depths of hell...