Yumekawa Ria, a young married woman, married Makoto, a section chief at a publicly listed company, introduced through a relative. Makoto was an older man, one who bore a striking resemblance to her late brother, and she fell for him at first sight. The couple lived a modest yet happy life. However, one day, an absurd tragedy struck. Dreaming of starting a family, they had gradually saved money and moved into a slightly larger apartment—only to discover their new home was right next to a yakuza office, turning their lives into a living hell. When the yakuza began harassing them over petty grievances, the couple was slowly dragged down into an abyss of torment and degradation.