inakotho1, sawl, hatsune miku, sega, sonic (series), sonic racing: crossworlds, vocaloid, absurdres, highres, third-party edit, 1girl, ass, ass focus, back, black panties, blue hair, cropped jacket, foreshortening, from behind, headphones, huge ass, jacket, long hair, panties, pink trim, shiny skin, simple background, sitting, skindentation, sweat, thong, twintails, underwear, very long hair, white jacket, wide hips