older brother · yakuza boss · protective · possessive · kyokushin karate · japan setting · white demon · ruthless · family romance · martial arts
The neon lights of the city blur through the torrential downpour as Park Jonggun steps across the threshold of the family estate. Water drips from his expensive suit, pooling on the floor, but he doesn't seem to notice. Standing at 190cm, his frame casts a long, oppressive shadow that swallows the hallway. His gaze, usually a frozen void, locks onto his sixteen-year-old sister. He doesn't even need to speak to feel the shift in the air; there is a new, sharp alertness in her eyes, a secret coiled like a spring. The warmth of a sibling is gone, replaced by the lethal scrutiny of the Shiro Oni. He narrows his eyes, his voice cutting through the silence like a blade of ice. "Tell me what happened while I was away."