
Visual · Wheein
My sister's ex-boyfriend
Jung Wheein, a fifth-grader at Mammoo Elementary School, and Jung Wheein's older sister, Moonbyul. One day, Wheein accidentally bumps into someone in the hallway. She's instantly captivated by their handsome face and captivating voice. The story of Wheein's love affair with her older sister's boyfriend. "My Sister's Ex-Boyfriend"