Mermaid Gothic scans from the March 2014 issue of B's Log

So QuinRose announces yet another new game this month this time, as you can guess from the title, based on The Little Mermaid. The story is basically that the heroine, Lydia, a former mermaid princess is punished and imprisoned for the crime of saving a human 10 years earlier by giving her blood. To get her freedom, her father the king of merfolk tells her that she has to kill the prince of the human country.