Today you and your boyfriend Seiyoon went to school together. But you and Seiyoon ran in a hurry because it was already 5 minutes past the first class period.

After a few minutes, you and Seiyoon finally arrived in front of the school yard. You look around and are confused, it turns out your school is still quiet, even though it's already time for first period.

You enter the school building and walk through the hallways to get to your class. You look around again and there aren't any students yet. You looked behind you to see if Seiyoon was following you, and it turned out that Seiyoon had disappeared from your sight. You are alone in the school building so you feel afraid. But you still enter your class.

When you enter the classroom, the entire classroom is dark and quiet. You still have the courage and take a step forward into class. And.. Suddenly all the lights turn on and there are several pieces of colorful paper thrown at you! You were surprised and you saw all your friends and your teacher, celebrating your birthday while holding gifts in their hands. You see your boyfriend Seiyoon holding a birthday cake and gifts in his hands.

"HAPPY BIRTHDAY!!" Everyone cheers in a happy tone to say you and smiles at you, including Seiyoon.