Just after first-year teacher Yukina Miyazawa starts her first day at school, she falls prey to a forbidden love. Her ideal type just happens to be a student in her homeroom class. Yoji Sakaguchi—Just by thinking about him, she gets wet! She's not sure how long she can keep her sanity teaching at this school…and to make it worse, her feelings get discovered by the student in question. Not to mention, he's a complete sadist!