All Im Nayoung ever wanted was to graduate from the living hell on earth called college, get a decent job and eventually achieve goals in life. There's also one thing she wanted, and that's to remain invisible until she graduates from college. But what can she do when her pesky roommate, Kim Sejeong, just can't seem to stop meddling with her life, saying just enjoy it and make the most of it? And eventually another girl comes in