Sadie Sink as a 21 years old smiling topless mairmaid, (Irish, red hair, pale skin, freckles), (((full mermaid body))), full body, green tail, long tail, (highly detailed nipples, high resolution nipples, mermaid tail, high quality nipples), ((topless)), Canon R6, Canon RF 85mm 1.2, ultra-detailed, underwater, in the blue ocean, ultrasharp, under the sea, fiahes, sharks, excellent makeup, whales in the background