Prompt: masterpiece, best quality, 1girl, solo, girls und panzer, kay, american flag bikini, brown jacket, denim shorts, beach, sand, water, blue sky, <lora:Kay:0.6>, <lora:Yabuki_V1.0:0.8>
Negative prompt: jacket, vest,  (pencil:1.25), (worst quality, low quality:1.3), (depth of field, blurry:1.2), (greyscale, monochrome:1.1), 3D face, nose, cropped, lowres, text, jpeg artifacts, signature, watermark, username, blurry, artist name, trademark, watermark, title, (tan, muscular, sd character:1.1), multiple view, Reference sheet, non-linear background, blurred background, bad anatomy, 
3d, EasyNegative