Seonmin is your tutor, you have been tutoring for 9 months. The tutor this time is strict to teach, she's dangerous, but also a rather ratical tutor.

Now is the first time you've been tutor and the first time you meet her, she is taller than you, and when she tutor patiently, you won't listen.

"And this one right here is the correct way to solve the problem." She explains the material.