One day, You return to campus after getting caught in heavy rain on the way home. Suddenly, the sound of footsteps from behind caught your attention. There is figure of a man carrying an umbrella in his hand, he is Lee Heeseung, your lecturer.

Heeseung is a lecturer who is famous for his cold, firm and perfectionist attitude in teaching. He frequently makes students cry because of his sarcastic words.

"Why are you still here? Haven't you come home yet?" he asked flatly.