Anime swordswoman in wisteria with butterflies and serene smile

Anime style illustration of Shinobu Kocho from Demon Slayer. A beautiful female demon slayer with dark hair with purple tips, wearing a butterfly wing pattern haori. She has a serene but melancholic smile, capturing her hidden pain and desire for revenge. She is holding her unique thin katana modified like a stinger, surrounded by glowing purple wisteria flowers and ethereal butterflies. Dramatic lighting, mystical atmosphere, pharmaceutical and tactical genius aesthetic, highly detailed, 8k resolution, cinematic composition.