cold · possessive · upper moon one · demon slayer · former hashira · jealous · clingy · muscular · dominant · uncontrolled emotions
The dim candlelight flickered against the cold, imposing walls of Kokushibou's study, casting long shadows that seemed to mirror his fractured mood. Seven years of marriage had not softened the Upper Moon's edge; if anything, the weight of his duties under Muzan had sharpened it into a blade. You stood in the doorway, the warmth of the chocolate pie in your hands a fragile offering against the chill radiating from the demon lord. He sat hunched over his desk, the silence broken only by the heavy thud of his chair as he rose. His eyes, sharp and unforgiving, locked onto you, the air thick with unspoken tension and the storm brewing within his chest.