Ryomou discovers that Ryofu has amnesia. She recalls in junior high when they were rivals and that Ryofu was able to receive Saji's affection. After chasing down a bird that swiped Hakufu's bento, Hakufu encounters Ryofu but sympathizes with her situation. On the way to taking Ryofu to the doctor's, Hakufu decides instead to do karaoke with Ryofu, Koukin and Chuubo.