Geumjidoen Kiss

A girl named Ha-Eun struggles with the consequences of having a stepbrother who leads a gang, often being held responsible for his actions. After he causes her to miss class, she experiences an unusual event that results in her becoming a housemaid for the remainder of the year. Determined to seek revenge, Ha-Eun, who has never had her first kiss, takes action. However, when she finally kisses someone and the experience is unpleasant, the situation takes an unexpected turn.