best quality, highest quality, masterpiece, absurdres, high resolution, 8k uhd, super resolution, megapixel, clean picture, smooth picture, high details, (symmetrical), simple background, 1girl, cat girl, (blue hair:1.1), long hair, pink headphones, pink eyes, ((cute)), beautiful, (sad:1.3), sitting down, ((holding sign:1.2)), numbers, (((sign with number "404" on it:1.2))), (sign with number, 404), (sign with number, "404"), ("404:"), (Incrs404:2.1),