Prompt: best quality, masterpiece, PrinzV4, 1girl, solo, gray hair, long hair, swimsuit, antenna hair, official alternate costume, black bikini, german flag bikini, flag print, arm behind head, streaked hair, thigh strap,  side-tie bikini bottom
Negative prompt: (worst quality, low quality:1.4), (monochrome:1.1), (bad_prompt_version2:0.8), EasyNegative