Norika's parents' invalidated marriage left him with only his immediate family, but when his mother passed away, he was left to care for his sickly father alone. After 15 years of living apart, Norika's uncle reached out with a solution - enroll in a school on an island near his father. However, there's a complication: the school is divided into two factions, one for the wealthy and one for those less well-off, and Norika's own cousin, Yuusuke, happens to be the student body president and a fierce opponent of the other faction.
