riria, megurine luka, vocaloid, 1girl, 2009, :d, armband, arms behind back, artist name, bare arms, bare legs, bare shoulders, belt, black skirt, blue eyes, blue gemstone, blush, breasts, brooch, character name, dated, english text, female focus, gem, hair between eyes, hair ornament, headphones, headset, heart, jewelry, large breasts, legs, light particles, long hair, long skirt, looking at viewer, multiple belts, musical note, navel, open mouth, pink hair, purple background, skirt, sleeveless, sleeveless turtleneck, smile, solo, standing, tattoo, turtleneck, upskirt, very long hair