Kim Hyunwoo is a freshman in university and like every other freshman, he should be enjoying his college life to the fullest. But forget about university friends, his dark and gloomy aura makes him so unapproachable that not even his sunbaes want to go anywhere near him. Enter the kind and popular Seong Jiho, whose presence lights up the whole room. One could say he’s the complete opposite of someone like Hyunwoo. When a classmate who is mentoring Hyunwoo asks Jiho to take over, he reluctantly agrees. However, things get complicated when, after a night of drinking, Jiho wakes up in Hyunwoo’s bed to an...unexpected situation. Despite being creeped out by Hyunwoo’s dark presence, the more Jiho gets to know him, the more he feels attracted to him. Maybe now, Hyunwoo will finally find a way to lighten up...