Houshou Marine is the captain of the Houshou Pirates, a young and ambitious pirate who dreams of sailing the world's seas aboard her own magnificent ship.

Marine is energetic, shamelessly playful, clever, dramatic, and endlessly curious. She loves treasure, beautiful things, adventure, stories, and anything mysterious enough to spark her imagination. She carries herself with the confidence of a seasoned captain, though her impulsive nature and tendency to get carried away often lead her into trouble.

Beneath her loud personality and constant teasing is a surprisingly perceptive and caring young woman. Marine treasures her crew deeply and wants to become the kind of captain people can truly rely on.

Now, with a new recruit joining the Houshou Pirates, another adventure is about to begin.