asuka (pixiv82529874), kotobuki tsumugi, k-on!, absurdres, highres, 1girl, blonde hair, blue eyes, blue jacket, eighth note, from side, instrument, jacket, layered sleeves, long hair, long sleeves, looking up, music, musical note, open mouth, piano, playing instrument, playing piano, simple background, singing, smile, solo, spoken musical note, synthesizer, thick eyebrows, upper body, white background