During childhood, Reishin had known that Yuri was actually a girl and fell in love with her while they were both children. Despite treating her rudely, Reishin trusted her without question and secretly prevented Yuri's plans to meet Senka someday. When Reishin decided to leave Hong province to follow Shōka and take the Imperial Exams, Yuri-hime was the only person he took with him. During this time, Kōyū was brought into their family to help care for Yuri when she became very ill. She and Kōyū formed a strong relationship and he hoped that she would become his mother while Yuri thought of him as her own child.