Moonlit Winter digs into Yun-hui’s love and life. Yun-hui’s daughter sees her love letter by mistake and she decided to help her mother find her lover who lives in Japan now.
Transit Girls EP8, Yui and Madoka leaves the Hayama’s house. Later Sayuri saw Madoka, and gives information about Yui. The sisters’ relationship is missing.
Transit Girls EP7, Yui and Sayuri’s parents, Madoka and Keigo wanted to know their relationship. Keigo questions to Sayuri, who remained silent, and Yui tells that she is serious. The next day, Yui disappears.
Transit Girls EP6, Sayuri is stunned that she and Yui directly liked each other. Yui notices Sayuri’s thoughts, and gently hugs her. When they later sleep in bed, Madoka saw them.
Transit Girls EP5, Being questioned by Yui, Sayuri noticed her feelings and kissed. Yui speaks to herself that their relationship between Sayuri became closer. Sayuri later confessed confess to Nao and Mirai on how she is feeling now.