1girl, 2017, azurite0012, bangs, blue eyes, blue hair, blush, collared shirt, dated, detached sleeves, gradient hair, hair ornament, hand on own chest, happy birthday, hatsune miku, head scarf, headphones, holding, holding stylus, long hair, long sleeves, multicolored hair, nail polish, necktie, open mouth, paper, pink hair, pleated skirt, reaching, shirt, skirt, sleeveless, sleeveless shirt, smile, solo focus, stylus, thighhighs, twintails, two-tone hair, very long hair, vocaloid