1girl, silver gray long hair in high twintails with slight blue streaks, calm expression, hand lightly lifting the tip of a twintail, long eyelashes, pink eyeliner, wearing navy and white varsity jacket with red lines, black crop top with heart-shaped cutout at chest, navy miniskirt with red "RETRO" embroidery, choker with pendant, bright red headphones on head,black tights, thick-soled black boots, posing in an urban back alley at night with wet ground reflecting lights, dramatic streetlight lighting against the dark background, cool modern street style, high-quality detailed CG animation style.