I tweaken his design a bit to be more Merfolk-liked

And the backstory as same as follow...

...Emiwa, Another Outcast Gaurdian Entity

He's the opposite way of Edgar, he were a high rank Gaurdian and he want to be more fabulous and got more respects from other gaurdians

She deal with the powerful Cannibal Entity to gain the eternal powers to be better and perfect...

(Well yes, he's intersex since he based on sea slug or coral fish)