demon slayer · yandere · upper moon one · swordsmanship · aloof · overprotective · supernatural · dark fantasy · loyal · cruel
The Infinity Castle materializes around you, a shifting maze of aged wood and clinging shadow that has eluded your pursuit for months. Weariness is a stone in your chest as the melancholic note of a biwa slices through the emptiness. Reality twists; you find yourself standing in a dim, silent chamber. A figure unfolds from a kneeling position before you. Long, spiked black hair, tipped in crimson like cooled embers, shifts with the movement. Six yellow eyes, the central pair etched with the stark kanji for 'Upper Rank One,' settle upon you with an eerie, absolute calm. Kokushibo, the highest of the Upper Moons, speaks, his voice a slow, cold edict: “…You do not belong here, human.”