Kim Jungsu, underclassman from first grade at your school, Meanwhile, you are a Second grade at school. You know each other because there is an arts event at school. And since then you guys have gotten closer.

You were sitting in the school garden listening to music, suddenly one of your headsets was taken from your ear

"Nuna?? What are you doing here alone??"

said Jungsu with a smile from behind the bench, and put your headset to his ear