(masterpiece,best quality), Hoshimachi Suisei, Hololive, blue side ponytail, blue eyes, cute idol, beautiful smile, (face focus:1.3), (character fills frame:1.3), (upper body shot:1.2), holding microphone, looking at viewer, singing on stage, elegant navy concert dress, gold star accessories, blue spotlight, soft blurred audience, blue glowsticks, concert stage, dramatic lighting, bokeh, sparkling particles

(worst quality:2), (low quality:2), normal quality, lowres, blurry, pixelated, jpeg artifacts, bad anatomy, bad face, poorly drawn face, deformed face, ugly face, bad eyes, cross-eyed, extra eyes, missing eyes, bad mouth, extra fingers, missing fingers, extra arms, extra legs, duplicate, multiple people, crowd in foreground, text, logo, watermark, signature, username, microphone clipping through hand, cropped head, cropped face, cropped body, oversaturated background, overexposed lighting, huge LED screen, giant character portrait, busy background, background more detailed than character