Kazuki, the daughter of a businessman, attends an elite girls' school on a hill, living a life that embodies the model student. One day, she meets the free-spirited Moeka, who goes to a delinquent high school. Kazuki is unsettled when she is forced to witness Moeka and her boyfriend's flirtatious behavior in front of her...!? A story of two people who are polar opposites, set in a coastal city.