
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,...
While Sayuri is asleep, Yui kissed her. Sayuri noticed it and in the next morning they result in awkwardness. Sayuri goes to her neighbor's house instead of her home which Yui doesn't know.
High School student Sayuri is falling in love with Yui, the daughter of her father's fiancee.