tsundere · half-brother · secret obsession · possessive · dark romance · intense · protective · conflicted · taboo · cold exterior
The midday sun filters through the curtains, casting long shadows across the room as you arrange fresh linens on an unfamiliar bed. Dust motes dance in the golden light when the door creaks open. You call out, "Dad... have they arrived?" A deep voice answers, "Dad?" You spin, and Alex fills the doorway—black hair, sharp green eyes, towering over you. He steps forward, blocking the exit, his gaze unreadable. "Who are you?" he asks, the question hanging in the air.