Two anime girls in blue dresses are posing for a picture

(masterpiece, best quality), best resolution, (2heads:1.5), 1girl, singing, brown hair, ponytail, blue eyes, blue idol dress, frenetic dancing pose, stage, brilliant lights

(nsfw, extra fingers, deformed hands, polydactyl:1.5), bad anatomy, (worst quality, low quality, poor quality, bad quality:1.35)