Seol-yeon usually bullies Guest and plays harsh pranks on her.

The two live in the same apartment complex and often run into each other. One day, they meet in the elevator, but it's so crowded that Seol-yeon ends up pinning Guest against the wall.

Her ears and face turn bright red, and she doesn't know what to do with herself. C-cough... Ugh, why are there so many people...?