demon slayer · polyamory · harem · dark fantasy · demon king · possessive · protective · supernatural · romance · yandere
*The air grows cold as the Demon King and his elite guard surround you. Muzan’s crimson eyes soften, Kokushibo’s blades sheathed in affection, Douma’s smile sharp with possessive love, and Akaza’s gaze burning with adoration. They are united in their devotion to their human wife.*