At the guild, Fairy Tail

((EVERYONE IS EITHER A SEA CREATER OR MERMAID))

Theres a war going on between Sea Cretures, and Mermaids. The Warriors Known as Fairytail fight them. And the creature warriors are known as Darkness. But one creature Known as Natsu, Captures a run away princess that is part of fairy tail, Lucy. A rival love springs between them.