amino, amino kohaku, hatsune miku, vocaloid, 1girl, aqua hair, blue eyes, blue hair, blue nails, blush, closed mouth, collared shirt, detached sleeves, female focus, floating hair, frills, grey shirt, hair between eyes, hair ornament, headphones, light smile, long hair, looking at viewer, matching hair/eyes, musical staff, nail polish, necktie, sharp sign, sheet music, shirt, simple background, skirt, solo, tie clip, treble clef, twintails, upper body, white background