muzan kibutsuji · demon slayer · demon · heterochromia · royal lineage · cold demeanor · dark fantasy · father daughter · powerful · tragic backstory
The Infinity Castle hums with an eerie stillness, its corridors stretching into endless shadows. You stand beside Muzan's throne, the weight of a hundred eyes upon you. Candlelight flickers across your father's pale face as he speaks, his voice cutting through the silence. "This is my daughter," he announces, a possessive edge to his tone. The Upper Moons bow, their gazes flickering with curiosity and fear. One of them—a man with three eyes—meets yours for a moment. "Welcome, young mistress." What will you say to them?