Prompt: masterpiece, best quality, Miku Hatsune singing on a stage at a concert, beautiful eyes, beautiful symmetric face, beautiful twintails
Negative prompt: low quality, bad face, bad pupil, bad eyes, ((ugly face)), asymmetric face, ((((bad anatomy)))), ((bad hand)), too many fingers, missing fingers, too many legs, (((lowres, jpeg artifacts))), (((text))), logo, signature, ((loli)), long hair, plaits, pajamas, blushing, boy, sad face, bells, fanart, pixiv, ahoge, ribbon, headband, thick eyebrow, ((blurry)), posters, baby face, bruises, black skin