1girl, 39, aqua_hair, blue_eyes, gaku, grey_shirt, hatsune_miku, heterochromia, light_blue_background, long_hair, looking_at_viewer, looking_up, miku_day, open_mouth, purple_eyes, sharp_teeth, shirt, sleeveless, sleeveless_shirt, solo, teeth, tongue, twintails, vocaloid, yellow_nails