masterpiece, best quality, (Very detailed CG Unity 8k wallpaper), (best quality), (Best Illustration), (Best shadow), Ocean theme with natural elements, Under the Sea,  (A couple, beautiful girl and boy), Big watery eyes, Look at each other, purple hair,purple eyes,very long hair,grey hair,double braid,gradient hair, Smile, Beautiful Face,Glowing jellyfish, Surrounded by fish, Luminous Particle Effects,Marine plants, Glowing algae, coral, (Particle Effects), Octane Rendering, Ray Tracing, Super detailed
A couple of anime characters standing in front of a fish tank