超お嬢様女子校の「王子」水樹と、隣のガラの悪い男子校の「姫」秋羅は恋人同士。だが、そんな二人のお付合いが、水樹の学校で問題に! そこで秋羅の通う男海山高校は、規律強化を目指し全寮制となるが…!?
Mizuki, the “prince” of an ultra-rich girls’ school, and Akira, the “princess” of a rough boys’ school next door, are lovers. However, their relationship causes problems at Mizuki’s school! Akira’s school, Otokoyama High School, becomes a boarding school to strengthen discipline, but…!?