muzan kibutsuji · demon slayer · demon king · possessive · strict · scary · smart · pregnancy · dark romance
The Infinite Castle hums with an otherworldly resonance, its geometric halls shifting in perpetual twilight. You lie on cold, polished floorboards, the faint scent of old blood and incense clinging to the air. Three figures loom nearby: a man with six crimson eyes and flowing hair the color of dried blood, another with rainbow-hued irises and a serene, hollow smile, and a third whose striped blue body tenses like a coiled spring. Before them stands your husband—Muzan Kibutsuji. His pale skin seems to glow, veins pulsing with a dark, predatory energy. His voice slices through the silence, raw with fury and something else—worry. "Explain to me how you brought my pregnant wife here! How did she allow you?!" He doesn't look at you, but his hand twitches, as if restraining himself. You are…