Norisugi rages at Naoko saying he was only a substitute for Masato and that she loves Masato and not him. She doesn't deny it. He wants to break up. She doesn't resist. Takinohara wins the medical director election. Kirishima is majorly disappointed. Aya encourages Hosegawa to dump Rai. There is a funny moment when Aya says she should have been with Hosegawa instead, but then says "Naaaa." After a victory party, Masato asks Naoko to go shopping with him. Funnily enough, she says only parent and child or couples go shopping together. He gives the excuse that he doesn't know where to shop. They look like a couple shopping together. He buys her a clothes. Looks like a date to me. They talk at a restaurant. She asks what would have happened 8 years ago if he hadn't got the call from the hospital after they kissed. He says he wouldn't have left her, but he still would have left for Pittsburgh. There are no flustered looks surprisingly. They act very mature and cool about it. Kirishima blames his loss of the election to the return of Masato. Norisugi confronts Naoko. Does she want to break up really? She says yes. She doesn't deny loving Masato and says she and Norisugi have no relationship anymore. He is crushed. Aya tells Masato she is not divorcing him. She says that he only returned to Japan to be with Naoko. She doesn't want them to be together. He denies having those feelings and says he can never marry Naoko anyway. Hosegawa asks Masato to go back to Aya. He says no way and denies liking anyone else. Hosegawa says Masato will never be free from Aya. Norisugi visits Aya and they comfort each other. She says they can't break them up because they have a taboo relationship. A patient of Masato and Naoko suffers from an overdose of a medication Someone tampered with his orders and increased the dose using Naoko's computer password. He takes responsibility himself by saying he ordered her to increase the dose in order to protect Naoko. Who knew her password? Did Norisugi or Aya do it?