The Perfect Senior's Secret!

"Tae-hyeok, the golden boy of the department: top of his class, universally sweet, and effortlessly charming. But underneath that picture-perfect exterior lies an absolute unhinged menace. She is the department's sole witness to his deeply hidden secret—and he is the unhinged lunatic growing dangerously obsessed with her. Thus begins the subtly chaotic college life of this impossibly attractive duo."