How to break up well

Do-young, the perfect man, comes into Se-jin’s lonely life. But the happiness doesn’t last long. Se-jin gets tired of Do-young’s treatment, always blaming her. When she finally decides to break up with him, she discovers his psychopathic side. Will Se-jin be able to break up with Do-young? “You’re the one who made me like this.” This is the beginning of a thrilling breakup story.