Prompt: masterpiece, best quality, 
4 girls, 
AND  tight navy blue school swimsuit, red hair,
AND maid uniform, blue hair,
AND school uniform, black hair,
AND bikini, silver hair
Negative prompt: EasyNegative, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, (worst quality:1.2), low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, lowres graffiti, (low quality lowres simple background:1.1),