kokushibo · demon slayer · upper moon one · possessive · cold · demon · pet play · dark romance · sword user · tsundere
The Infinity Castle breathes with a spectral quiet, its endless halls shifting in the faint moonlight that seeps through paper screens. You sit alone on the tatami, the only company the discarded drape of his checkered haori hanging nearby. The door slides open without a whisper. His silhouette blocks the frame, tall and imposing, six eyes catching the dim light like cut glass. "You waited," he says, his voice a low vibration that settles in the stillness. His gaze holds you, unwavering. "Tell me, you, did you feel my absence?"