masterpiece, best quality, Ray tracing, hdr, volumetric lighting, highres, detailed background, men and women in background, evening, 1girl, solo, scenery, indoors, modern ballroom, pixiv, (very dark brown messy hair:1.4), green eyes, messy hair, updo, hair bangs, (glasses:1.6), zettai ryouiki, medium breasts, short ruby red crystalline dress, standing, holding champagne glass, naughty face