Marika Kato, ib tug tub ntxhais kawm xyoo peb ntawm Hakuoh Girls 'Academy, yog qhov chaw pirate raug cai nrog Tsab Ntawv ntawm Marque. Nyob nruab nrab ntawm nws txoj kev kawm, coj nws lub tsev kawm ntawv qhov chaw yacht club, ua haujlwm ib nrab sijhawm ntawm Cafe Teeb, thiab ua tus thawj coj ntawm qhov chaw pirate nkoj Bentenmaru, Marika hnub tsis khoom ntau. Muaj ib hnub, Marika tau txais txoj haujlwm los nyiag lub nkoj neeg caij tsheb siab, thiab nws pom tias nyob rau hauv daim ntawv teev cov neeg caij tsheb yog Kanata Mugen, tus tub uas yog tus tswv ntawm "galaxy pass". Yog li, kev taug txuj kev nyuaj uas muaj kev sib tw hyperspace ntawm pirates thiab ib tug tub hluas pib.
