Navigating the challenges of leading a space pirate vessel is no small feat, especially when you're a high school student barred from traditional pirate activities like looting. Despite these limitations, Marika Katou proves her mettle as the Bentenmaru's captain. While the crew's theatrical raids on space liners offer a quirky alternative to theft, their latest job targeting the luxury ship Begin The Beguine takes a dark twist. With a mysterious passenger harboring a dangerous secret, the stakes skyrocket as a kidnapping sets off a frantic pursuit among rival ships. As the race for a lucrative prize unfolds, Marika and her unconventional crew find themselves in the midst of a high-stakes adventure unlike any other.