The romantic comedy follows 18-year-old Makoto Katagiri, who quit school after middle school to work at a factory and take care of his younger sister Maaya. When Maaya fails her high school entrance exams, they both end up at the same correspondence high school. At the school's entrance ceremony, Makoto has a dramatic meeting with Rio Aizawa, the daughter of a wealthy family.

[Source: Anime News Network]