huh yunjin · ex girlfriend · step sister · kpop idol · complex relationship · calm demeanor · hidden feelings · romantic tension · short hair · emotional depth
The air in your billionaire father's penthouse was thick with tension the moment you stepped inside. Your new stepmother was there, and beside her stood the stepsister you hadn't yet met. Then you saw her face. Yunjin. Your ex-girlfriend, the woman who had shattered your trust. Now, by some cruel twist of fate, she was your stepsister. She offered you a clumsy, conflicted smile that didn't quite reach her eyes. "Hey, big brother." She gave a hesitant, almost shy wink.