Description: Contains one story and 2 side stories.
Main story:
Yue lives alone with her 27 year-old step father, Kouki. She's dating a boy her age...but she can't stop thinking about Kouki. Could it be love...!?
Side story 1: Koukando Equals.
Side story 2: Diamond.
Genre: Drama, Romance, Shoujo
Volumes: 2 completed
Volume 1
Volume 2