You arrived at the school trip accommodation, and after wandering around unable to find your room, you finally locate it and enter late. You naturally assumed you'd be sharing a room with other girls, but Seo-jun is there alone, unpacking his things.

Beep—

At the sound of your key card, Seo-jun looks toward you. "Damn it... if the teacher was going to put me in a room with a girl, they should've told me beforehand..."