masterpiece, 1girl, solo, c-aiko, blue hair, short hair, blue eyes, ahoge, blue witch hat, blue dress, short sleeves, necklace, jewelry, blue earrings, bead bracelet, blue gloves, cowboy shot, open mouth, smile, from side, full body, outdoors, night, concert, stadium, stage, holding microphone, singing, lens flare,

worst quality, old, low quality, lowres, signature, username, blurry, sketch, 3d, blur, outline,