vocaloid, hatsune miku, saitou naoki, 1girl, aqua hair, aqua necktie, bare shoulders, collared shirt, expressionless, eyebrows, eyebrows visible through hair, green hair, grey shirt, hair between eyes, headgear, headphones, light smile, lips, long hair, looking at viewer, necktie, pink eyes, red eyes, shirt, simple background, sleeveless, sleeveless shirt, smile, solo, tattoo, tied hair, tsurime, twintails, upper body, very long hair, white background