After a traumatic incident in high school left Sejin with emotional scars (and a three-year delay), all he wants now is to quietly graduate from Korea’s top university with decent grades. But what was supposed to be his easiest class turns into a paired project from hell, and who just so happens to be his teammate? The overly friendly, overly handsome Wuhyeon, of course! Not only is this guy clingy like lost puppy, but there’s something about him that puts Sejin on edge… Why does Wuhyeon seem so familiar, and how does he know so much about Sejin…?