Love Affair

Seon-U's brother is found dead in the VIP room of a nightclub alongside Yu-Ra, the youngest daughter of the Seo family patriarch and a real little pest. Determined to shed light on the circumstances of the tragedy, Seon-U enters the luxurious Seo residence by being hired as Yu-Ra's personal coach and meets Mun-Do, the latter's attractive nephew, who seems to hold one of the keys to the mystery.

(Source: WEBTOONS FR, translated and edited)