
S01E01 Episode 1
Sayuri Hayama is third grade high school student whose mother died two years ago and lives with her father Keigo. One day, Keigo is remarried to Madoka, which became Sayuri's mother-in-law and her daughter, Yui,...
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.
High School student Sayuri is falling in love with Yui, the daughter of her father's fiancee.