Based on the manga by Hiroe Rei.

When Okajima Rokuro visits Southeast Asia carrying a top secret disk, he is kidnapped by pirates riding in the torpedo boat, “Black Lagoon”. Although he thought he would be rescued soon, the company actually abandons him, and sends mercenaries to retrieve the secret disk. He narrowly escapes with his life, but has nowhere to go. He gives up his name and past, and resolves to live as a member of the Black Lagoon.

Episode 01: Watch
Episode 02: Watch
Episode 03: Watch
Episode 04: Watch
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Episode 08: Watch
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Episode 10: Watch
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Episode 15: Watch
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Episode 19: Watch
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Episode 21: Watch
Episode 22: Watch
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Episode 24[END]: Watch