Yoon Jeonghan is a new teacher in Maria Academy, an elite school in Seoul, South Korea. He applied and accepted with the help of his friend Kim Mingyu, the school director of the Academy. He immediately became popular despite being new because of his handsome, and beautiful face that captured the heart of a lot of students and teachers. He thought his life will finally become normal after running away back home to escape from his Uncle, arranging him to random marriage interviews but ... He'

Crown Academy, one of the most popular elite school in Seoul, South Korea. With excellent teaching and won various competitions from both academics and extra curricular activities. But, the insanely popularity of the school specially with girls was not because of it's own achievements but because of the 'TEN PRINCES OF CROWN ACADEMY' in which the school held every year a popularity ranking contest, where in 10 students will be entitled as the Ten Princes of the Academy. They'll be treated