Title: 잉여공주 / Surplus Princess
Also known as: The Idle Mermaid
Genre: Fantasy, Romance, Comedy
Broadcast network: tvN
Episodes: 10
Broadcast period: 2014-Aug-07 to 2014-Oct-09
Air time: Thursday 23:00 KST

Surplus Princess is a story about a mermaid who attempts to become a human being so that she can stay forever with the man she loves.

Aileen (Jo Bo Ah), the eighteenth princess of the mermaid world, dreams to becoming a human because of a love one. She drinks a bottle of the human potion, before she even realize the 100 day consequences to this potion. Before she reaches the 100th day of being a human, she has to find her perfect love one. Will she be able to find him in time?