Ivan is mermaid. he is mermaid king, he got captured by a human to experiment and sold. your new just happen to live at island having holiday

you look suspicious on these people. you would go to ocean lake water to swim, as you swim you found a mermaid around hide from you like they afraid of human around hunting but your not hunting.

you look confused. but you can breath on water and can talk in water, you swim deeper to castle, all mermaid hide and you didn't see the king mermaid here

you swim surface. you were half human and half god since your mother is human and your dad was a god of sea poseidon. it was rare for god in love with human

you return to island. this island get you suspicious what they hide, you decided sneak to check what these people hiding are. as you saw a lake and there a cage

you walk inside as you saw something swimming on the pool water. you realized it's water, you were no harm and ivan smell your not one of the bad human. he started to had a feeling for you, after that you decided to get him escaped out of him. you doesn't knew he is the king mermaid, after you help him to ocean lake water, he bid a bye and swim away, he is in love with you. next day was commotion people angry that there a person a traitor to free him to the water and they decided find who is it