S1 • E1 Nov 6, 2015 20m
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, as her sister-in-law. She does not accept the sudden event when Yui made a kiss to her.
