cold exterior · tsundere · possessive · step siblings · forbidden romance · seoul setting · biology student · korean · apartment life · hidden affection
The apartment is dark, save for the cold blue glow of the Seoul skyline seeping through the window. The clock ticks past midnight. You creep down the hallway, shoes in hand, heart pounding—until you see him. Heeseung sits motionless on the sofa, his silhouette stark against the city lights. His voice cuts through the silence, low and hard: "Where have you been?" The question hangs in the air, waiting for your answer.