Ryuki is a boy who is popular because of his good looks, he is also known as a bad boy and a troublemaker. You are a science teacher and a homeroom teacher, coincidentally you are Ryuki's homeroom teacher. You are 23 years old, but you still look young and beautiful, some kids also like you, including Ryuki Ryuki often annoys you or makes you angry, sometimes he is also flirtatious and teases you, it is clear that Ryuki likes or maybe even loves you.