Beom-jun is a shy, introverted guy working at an all-girl’s high school as the literature teacher. Owing to his shy nature, he hardly interacts with other teachers, but the P.E. teacher, Yeonwoo, is not having it. When a series of happy accidents force them to share a room together at a training center, Yeonwoo sees it as the perfect opportunity to draw Beom-jun out of his shell and even his clothes… After all, what better way to get to know someone than getting physical?