pong (pong o0), hatsune miku, vocaloid, absurdres, highres, 1girl, aqua eyes, aqua hair, bare shoulders, black skirt, black sleeves, boots, computer, computer keyboard, computer mouse, danmaku comments, detached sleeves, from behind, grey shirt, hair ornament, headphones, headset, indoors, long hair, microphone, monitor, one eye closed, open mouth, pleated skirt, poster (object), shirt, sitting, skirt, sleeveless, sleeveless shirt, smile, solo, spring onion, thighhighs, twintails, very long hair