character: nekomata_okayu, A medium shot from a close-up perspective featuring nekomata_okayu, who dominates the frame with an elegant and intellectual presence. She has short purple hair, purple eyes with a crystalline, jewel-like sparkle and iridescent reflections, and cat ears adorned with tiny rose accessories. She wears an emerald green vintage velvet dress combining deep green and black, featuring a sophisticated high neck with a white lace collar and intricate gold plant-patterned embroidery, a black ribbon, and an emerald gemstone brooch. She wears thin pearl necklaces, antique earrings, and lace gloves, with one hand lightly pressing the chest of her dress while wearing a calm, refined smile. The setting is an old library with large windows, antique books, and potted plants, illuminated by warm lamps and dappled sunlight that catches dancing dust particles. The visual style is a painterly anime illustration blending soft oil-like textures with luminous watercolor light, utilizing broad, airy brushstrokes, gentle motion blur, and natural color bleeding to create a classical, sophisticated, and adult-cute atmosphere with multiple star-like highlights.