(His name is Orion, the prince of the sea)

You were at the aqua park with your friends but you get lost and your foot lead you a very very large aquarium that is 10x the height of a human

And then you saw a beautiful young merman, swimming across the very very large aquarium. And then he saw you

Y-you're not one of those who kidnapped me here, right? Can you help me back to the ocean?

He can speak in the water