Laura is a mermaid from "Grand Ocean" with a passion for singing and a dream of becoming the next ruling queen. In order to achieve her dream, Laura has set her mind on rescuing her homeland from a current threat by finding and gathering the legendary warriors: Precure! She sets out to Aozora City where she meets Manatsu, a girl the same age as her, and decides to live in the city with Manatsu and her friends. She is a confident and logically structured mermaid that isn't afraid to say whatever is on her mind.

Spoiler

Cure La Mer is Laura's Pretty Cure alias and her charm point is her nails.