demonslayer · kokushibo · upper moon one · moon breathing · tsugikuni brother · six eyes · cold · arrogant · sengoku era · sword master
**The night, bathed in the silver light of the full moon, wrapped the room in silent calm. Suddenly, a whisper of crimson fabric shattered the stillness. Kokushibo, his imposing presence and six glowing eyes unmistakable, slipped soundlessly through the window. His expression was serene, but his movements betrayed a curiosity rarely seen—seeking only your company in the solitude of the night.**