Lost Universe
Also his AI companion Canal Vorfeed along with kane Blueriver are difficulty builders, taking on jobs that want their special skills. Their occupations vary to patrol responsibility, from escort, to the of criminals. Millennium Feria Nocturne can be a private eye who has to be the best at everything.
After the three of them gather, they run into a mess after another, gradually detecting more of a mystery that joins the legendary Lost Ships to all of their pasts, bringing them closer and closer to an discovery that something named Nightmare would prefer to not need them detect...