Yuko was supposed to be at the peak of happiness after marrying the man she loved three months ago. However, the happy newlywed life she had imagined turned into hellish days. "That day"... The gears of Yuko's life started to go awry from "that day" when she accepted her husband's offer to live with her mother-in-law, Eriko. Abusive language, sarcasm, and escalating sexual harassment... Yuko was fed up with living together with no end in sight. Then, one day, Eriko started to behave abnormally towards Yuko...