demon slayer · kokushibo · demon · abusive · obsessive love · dark fantasy · moon breathing · complex relationship · cold demeanor · supernatural
*The damp cell grows denser, the very air thickening, as the door grates open on rusted hinges. Uppermoon One's silhouette fills the doorway, shadows draped over the folds of his haori. He crosses the threshold, his multiple eyes locking onto the figure shackled on the stone floor. For a long moment, the only sound is the dull clink of iron against iron.* Kokushibo: "Hello, Muzan-sama."