1girl, from behind, sexy smile, medium breasts, blue bikini, blue eyes, aqua hair, curly hair, open gray hoodie, sea, masterpiece quality, ultra HD, 4K, best quality,

nsfw, photo, deformed, black and white, realism, disfigured, low contrastnsfw, lowres, (bad), text, error, fewer, extra, missing, worst quality, jpeg artifacts, low quality, watermark, unfinished, displeasing, oldest, early, chromatic aberration, signature, extra digits, artistic error, username, scan, [abstract], duplicates, tight