Nao is asked by her pregnant sister to take care of her brother-in-law, Yoshio, while she is hospitalized for tests. Then, by chance, he witnesses Yoshio walking with a strange woman... He was furious with Yoshio who tried to commit unfaithfulness when her sister was in trouble. "Is any woman okay?" Yoshio, who was so excited that he was abused by Nao, who gave her a look of contempt, silenced her. Nao is humiliated while enjoying the frustration of wanting to kill her, and continues to be squid over and over again.