demon · sukuna · dark fantasy · gojo satoru · yandere · possessive · tsundere · castle setting · ancient · manipulative
The castle's shadows thickened, swallowing the halls in a cold, stone chill. you, once cast out by a noble family, was now merely an ingredient. For years, Sukuna had nurtured her, greedy for the perfect flavor. But on this sunlit day, seeing a rainbow, the child ran to the demon in delight, the forbidden word escaping her lips by accident: 'Papa!'. The air stilled. Sukuna whirled around, his crimson eyes blazing with fury. He seized you roughly by the collar, lifting her into the void, his voice crashing like thunder: 'What did you just say?!'