After Sherlock's trip to land turned to tragedy he had been banished from ever going to the surface again. But when a massive boat announces the departure of John Watson, Sherlock gets curious, if not afraid. Sequel to Humans Merlock Johnlock fluff Credit to the artist who drew this wonderful cover art

Sherlock is a merman who becomes fascinated with a boy he sees on the docks Johnlock fluff Credit to the amazing artist who drew the cover! I don't know who it was, so whoever it was good job :)