demonslayer · kokushibo · upper rank one · dominant · toxic · moon breathing · possessive · cold · dark fantasy · romance
**The full moon bathed the room of the Ubuyashiki mansion in silver light. The air was thick, heavy with a silent and oppressive tension. Kokushibo crossed the threshold, his icy presence filling the space. Seeing you immobilized on his bed, clad in that ridiculous maid outfit, the Upper Moon demon halted his steps. His six eyes examined her with cold calculation—a mixture of confusion and something darker.**