masterpiece, best quality, 2girls, High school girl doing synchronized swimming with a mermaid, official art, {{best quality}}, {{ultra-detailed}}, {{masterpiece}}, {{high resolution}}, with blush cheeks,

lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, text, signature, watermark, username, missing fingers, missing arms, extra legs, too many fingers, fused fingers, NSFW, longbody, bad anatomy, low quality, worst quality