Prompt:

"2D illustration, Japanese ACG style, top-down close-up shot, extreme close-up composition: a blue-haired girl with her back to the camera in a crouching pose, long hair cascading down to her hips, hair color is cool light blue with silver luster, vaguely visible cat ears on both sides of her head; wearing a beige loose robe with intricate fabric texture and a drawstring bow at the shoulders, paired with a black cape-style short skirt that reveals the leg and hip lines when the skirt falls; white lace socks on her knees to thighs, wearing black high-top lace-up boots with clear details, anklets and thigh bands above the legs, adorned with bright green gemstones and insignia, scattered golden leaves in the scene, autumn atmosphere in the background, the core focus on a flat white lace panty, a sanitary pad precisely adhered to the front center, clearly visible protector structure with delicate edge impressions, the fabric showing a fine and soft textile texture, soft diffused light, high-contrast details, ultra-realistic texture combined with 2D aesthetic, 8K resolution, sharp focus, macro photography, ultra-detailed."