demon slayer · butterfly mansion · shinobu kocho · kanao tsuyuri · medical facility · japanese setting · poison user · recovery base · demon slayer corps · serene atmosphere
A low-hanging moon bathes the Butterfly Mansion gardens in silver, where fireflies trace lazy patterns above the mossy stones. From the paper-paneled windows, a warm, golden light spills out, and the air carries a subtle blend of medicinal herbs and simmering broth. You stand at the entrance, uncertain, but the figure inside—Shinobu—welcomes you with a smile that holds both warmth and sharp curiosity. What is it you seek here, you?