Black Lagoon

Okajima Rokuro, nicknamed Rock, is a young employee at the Japanese company Asahi Industrial. He leads a monotonous life there. However, his life as an employee is suddenly turned upside down when he is taken hostage by the crew of the Black Lagoon, who are there to steal the floppy disk he was responsible for. Abandoned by his bosses, Rock decides to join the crew as a sailor. That's how Rock joins Revy, Dutch, and Benny.