"Run, Yul, we can do it!" Hyoyeon shouted at Yuri, who was already panting from too much running. They are four rooms away from their classroom, and four seconds away from being late.

"I told you we should have taken the elevator, instead of doing a marathon-like feat of using the stairs in reaching the third floor," complained the tired Yuri.

Just as expected, the two were late for their class. Their classmates were already there, and so is Ms. Han, their Literature professor. Hyoyeon and Yuri silently walked up to their respective seats.

"Okay, so I guess everyone is already here," Ms. Han greeted, "I have a special announcement for all of you." The whole class was silent.

"I shall be taking my leave starting tomorrow. As you all know, my daughter needs me right now, for she is pregnant," Ms. Han narrated, "I'll be gone for five months, and I do know that within those five months is the submission for your theses, so I have a replacement professor to teach and help you out in working with your papers. Class, I'd like you to meet Professor Kim. Kim Jongin."

A tall and good-looking young man entered the room, which made the students awestruck.

"Is he really a professor? He looks so young!"

"Omo, does he have a girlfriend?"

"This is a joke, he must be a model or something!"

The class became noisy because of whispers. "Class, settle down," Ms. Han called out, and she turned to Jongin, "Please, Professor