Psycho Frenemy

What would you do for me? Despite possessing everything—money, looks, and popularity— Su-Hyun, a delinquent, yearns for love, driven by an inferiority complex. He's exposed and trampled by Na-Yeon, the model student who's the polar opposite of him. Su-Hyun vows revenge, but gradually falls for Na-Yeon's unconditional love. Na-Yeon tests Su-Hyun's heart... (Source: Naver, translated)