Hatori's furious when she finds out that Runa and Hiromitsu kissed, and that he even tried to hide it from her! To top it off, she sees the two together again right after she's decided to let it go, and things take a turn for the worse. With Hatori and Hiromitsu's relationship in dire straits, Rita may have a fighting chance--except his ex-girlfriend Adachi is back! She's nothing like the upstanding, earnest girl she was before, and Rita can't help but be concerned by her drastic change of heart...