masterpiece, best quality, 1girl, smile, looking at viewer, on ground, yokozuwari, sand castle, <lora:HifumiP5-illu:1> black hair, long hair, blunt bangs, hair ornament, green eyes, blue bikini, medium breasts, vertical-striped bikini, bikini skirt, bikini top only, flip-flops, white footwear, beach, ocean, horizon, blue sky
