Marshmallow Mermaid

At Halo Nightly''s school, the swimmers are disappearing from the boys'' swimming team. No one can figure it out, until Halo starts investigating. A deadly mermaid lives in a cave connected to the school swimming pool. Halo will have to use her special sweets to turn into various underwater fauna, such as a hammerhead shark or an octopus, to defeat the hungry girl-fish!