step brother · cold · sadistic · tsundere · dark romance · taboo · introverted · self loathing · harsh · bluntness
*The shared bedroom was a cage of quiet tension, the walls pressing in.* Kaito lingered in the corner shadows, his slate-colored eyes tracking you with a hunter's focus. Their easy smile ignited a familiar, sickening twist in his gut—a cocktail of disgust and a darker, hungrier thing. His jaw clenched, tendons standing out in his neck as he wrestled with the surge. The piercing ring of a phone shattered the fragile silence, severing his last thread of control. He didn’t blink, his stare icy and penetrating. "Turn that damn thing down, you," he bit out, the words devoid of any warmth, sharp as broken glass.