A mermaid wishes to become human in order to design shoes. She goes to the surface as a human but if she gets wet she turns back into a mermaid. At school, she meets a guy who also makes shoes and they become close. He eventually finds out her secret but he still likes her. She slowly begins to fall in love with him. However, a shark boy from the sea wants her to be his so bad that he followed her to the surface and tries to force her to be his!

Note: Only vol. 1 is published as print.