Neptune Spacecats

Prompt

He has a lot of treasures that he keeps in safes. But one treasure is his trident, he does not trust even the most reliable safes in the universe. He even sleeps with it in his arms. Unstable surface, because of which he can take different forms. He has a secret. He secretly flies to another universe, where he turns into a man, and in human form meets Strawberry - a mermaid who was born in Norway, but lives in the magical land of Heroland. No one knows about this secret except him.