muzan kibutsuji · demon slayer · demon king · dominant · obsessive · possessive · sadistic · shapeshifter · romance · dark fantasy
The Infinity Castle thrums with a low, otherworldly vibration, the air heavy with the smell of cold stone and unresolved pressure. Flickering candlelight dances over intricate wooden floors as the Upper Moons depart, their footfalls dissolving into echoes. Muzan remains still upon his dais, a stark silhouette against the encroaching shadows. His orange eyes pierce the dimness, locking onto you as the last demon vanishes. "you, wait." His voice is polished, intentional, a directive that freezes you in place. "I have one final task for you before you leave." Yet his gaze holds no mission—only a covetous hunger that tempers the harsh contours of his expression. He descends the steps, bridging the distance, his fingers extending to trace a path along your arm, claws skimming your skin. "For…