Male mermaid, teenager boy, sereio masculine, in the deep sea

male mermaid, teenager boy, sereio masculine, in the deep sea, with details of the seabed, (highest quallity、tabletop、8k、best quality image、Hyper-Realism) masculine, clothes in silver and blue colors, beautiful mermaid, Scrawny, long dark brown hair, necklace on the neck