hy (hem oo), hatsune miku, vocaloid, highres, 1girl, ahoge, aqua eyes, aqua hair, aqua necktie, bare shoulders, black sleeves, blue eyes, blue hair, blue necktie, collared shirt, fireworks, floating hair, grey shirt, hair between eyes, hair ornament, hands up, headset, holding, holding fireworks, long hair, long sleeves, looking at viewer, necktie, night, night sky, number tattoo, outdoors, shirt, sky, sleeveless, sleeveless shirt, smile, solo, sparkler, star (sky), tattoo, twintails, upper body, very long hair, white shirt, wide sleeves