Read manga: For The Mermaid Princess

manga
Summary:

A mixture of off-the-wall family comedy and bittersweet love story, For the Mermaid Princess is the story of a girl with a gentle manhwaga father, a whip-wielding nutjob of a mother, and four older sisters. 
When her family moves to a new house, Lee Suelbi discovers just how difficult it can be to balance family, friendships, and love.