To escape her clingy ex, Bae Mirae asks cool guy Kim Jongseob to fake-date her. What starts as a lie soon turns into real feelings, jealous rivals, and unexpected family drama.

Enemies since kindergarten, Jongseob and Minji have spent years bickering and glaring at each other-until a spark they can't ignore changes everything. Teasing, flustered moments, and stolen kisses later, they might just realize the person they love most is the one they've been fighting with all along.