Prompt: masterpiece,best quality, album cover, 1girl,solo, girls und panzer, koyama yuzu, ponytail, curvy,looking back, looking at viewer,(white bikini:1.2), black boots, wet, bubbles, squatting, ass, outdoors, school building, beautiful sky  <lora:Koyama Yuzu:0.6>
Negative prompt: EasyNegative, watermark, logo, signature, (worst quality:1.4), (low quality:1.4)