character: kochou_shinobu. A close-up shot captures kochou_shinobu in a nocturnal garden, her face dominating the frame. She is wearing her signature demon slayer uniform and a butterfly-patterned haori, with a large purple butterfly ornament nestled in her short, gradient purple-black hair. She is winking with one eye closed while the other purple eye glows with an intense, supernatural brilliance. Her right index finger is pressed against her lips in a "shushing" gesture to signal silence. A small, glowing pink heart floats delicately near her cheek. The background is a dark, lush garden at night, filled with soft-focus foliage and numerous glowing butterflies fluttering around her. The atmosphere is mystical and serene, illuminated by soft moonlight and the bioluminescent glow of the butterflies, creating a high-contrast, high-quality anime illustration style.