masterpiece, best quality, amazing quality, simple background, white background, white theme, SylviaL, long hair, light_purple_hair, purple eyes, hair ornament, white_blouse, open-shoulder, dark-blue_coat, sleeveless_coat, starry-pattern, frills, mini_top-hat, tilted_headwear, neck_ribbon, high-waist_skirt, checkered skirt, bow, 1girl, cowboy shot, from below, hip focus, standing, singing, (sparkling eyes:0.5), smile, open mouth, hand on own chest, arm up, open hand, legs togethers