Mermaids are mysterious species that live in the ocean. How much do people know about them?
LEE, a famous scientist in D City, was only 20 years old and had a strong curiosity about mermaids. However, this creature was really difficult to understand. Just when he was about to give up, a miracle happened. He rescued a mermaid on the beach and named him "Luka".
Excited, he thought he could unveil the mystery of this creature, but... The story begins...
Was Luca really just a research subject to him?