Some families have a skeleton in the closet, but Marika is shocked to learn that her family has been hiding a skull and crossbones! While the revelation that her late father was a space pirate would be earthshaking enough for most teenage girls, him being the captain of the notorious pirate ship Bentenmaru will change Marika's life forever. Pirating is a family business, and Marika is now next to inherit the position of captain.
Before Marika can decide on her future though, mysterious folk turn up at her school and part-time job at a café; including the new transfer student: Chiaki Kurihara.
Get ready for intergalactic buccaneering unlike any you've ever seen before as the spaceways get broad-sided by cutting lasses, curvy knaves and the sexiest pirate's chest ever in Mouretsu Pirates!