Surplus Princess[2]) is a 2014 South Korean romantic comedy television series starring Jo Bo-ah, On Joo-wan, Song Jae-rim, and Park Ji-soo.

[3][4] A modern retelling of the 1837 fairy tale "The Little Mermaid" by Hans Christian Andersen, it aired on tvN from August 7 to October 9, 2014 on Thursdays at 23:00.

In order to meet Shi-kyung again, Aileen steals a magic potion from the male witch Ahn Ma-nyeo, and is transformed into a human girl.

It's only after her transformation that Aileen learns that she has 100 days to find true love, or else she will die and turn into bubbles.

Ahn Ma-nyeo helps Aileen by setting her up with the fake identity of "Kim Ha-ni," and sends her to live in a house in Seoul with other young people, most of whom are unemployed and searching for jobs.