Allium_4660
Mershark Ranboo au
Tommy, starts working at an aquarium to figure out what's wrong with the aquarium's most prized exhibit, a mershark. He slowly falls in love with the mershark.
This is based off of elusive love. I don't remember who the other author is rn but the book is in my good dnf books list if you wanna check it out :>
Enjoy my little onions!