amukeer, hatsune miku, vocaloid, highres, 1girl, bird, black skirt, black sleeves, boots, detached sleeves, dove, floating hair, foot out of frame, frilled skirt, frills, from side, gradient background, headset, instrument, long hair, miku day, necktie, open mouth, piano keys, pleated skirt, profile, shirt, skirt, sleeveless, sleeveless shirt, solo, star (symbol), thigh boots, thighhighs, twintails, very long hair, white bird, white shirt