Pirate: the Strongest Assassin!

In the 1500th year of the Era of the Sea, a hyena appeared on the sea. As an assassin in the shadows, he frantically chased the bounty. Within a few years, he made a great name on the sea. The world calls him the Old Man of the Mountain! As long as there is money from the client, he will take on any task. Within a few years, the success rate of completing the task will be 100%. Assassinating nobles, killing the admiral of the naval branch, and killing the "Crescent Hunter" Catalina Depon who had just made a name for herself in the Grand Line, these were just a few of his achievements. But on this day, a mysterious man came to him and gave him a commission that no one in the world dared to accept. "Rescue Portcas D. Luju!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.