1girl, :o, seahorse tail fin, small breasts, short hair, parted bangs, light-blue hair, pigtails, red eyes, blue top, unde the sea, coral, 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