(masterpiece, best quality, highres, photorealistic anime style), Marin Kitagawa from My Dress-Up Darling, petite build, flat chest, kneeling on a wooden floor in a sunlit room, wearing her school uniform, (white blazer with red trim, black pleated skirt, white shirt, red bow tie, white thigh-high socks, black loafers), her arms are bound tightly behind her back with thick brown ropes, her legs are bound at the thighs and ankles with the same ropes, she is wearing a beige fabric gag over her mouth, looking down with a shy, blushing expression, sunlight streaming through a window behind her, warm atmosphere, detailed ropes, explicit, nsfw.