A couple of anime characters standing next to each other

(1 boy)，1 girl，Back to back，Fight alongside，Purple Hair，Purple Eyes，Very long hair，white hair，Double tail，White Mech SuitBREAK Black Mech Shorts, panoramic，whole body，The figure is located in the center，Starry Sky，Network fantasy war background, (Ultra high quality, masterpiece, precise, Anatomically correct, best quality, 8K),

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits, 3d, cartoon, anime, sketches, (worst quality, bad quality, child, cropped:1.4) ((monochrome)), ((grayscale)), (bad-hands-5:1.0), (no bad face), (no extra finger), (no extra limb), (no bad eyes), (no extra arms), (badhandv4:1.0), (easynegative:0.8), (bad-artist-anime:0.8), (bad-artist:0.8), (bad_prompt:0.8), (bad-picture-chill-75v:0.8), (bad_prompt_version2:0.8), (bad_quality:0.8)