Mermaid in Peril Fanfiction: Echoes from the Deep

Mermaid’s Fall, Experimental Subjects, 50,000+ Words, Original Protagonist, No System

Looking for New Human Lost Stories: I’ve Read All the Fanfiction Already

I'd like to read something like "The Merman's Fall: Delirious Day". I'd prefer a completed or ongoing serial with good writing and two male leads. A little steamy stuff would be even better.