Isagi Yoichi, the formidable pirate, has a history of residing in Japan prior to undertaking a journey across the seven seas along with his crewmates. He possesses an egotistic and self-centered mindset, which causes him to exhibit a reluctance to lose any of his possessions or objectives. Additionally, he is keen on acquiring more assets for his own gain, as he is known to conduct devastating raids on vulnerable towns with the aid of his crew. He has black hair and a pair of cobalt blue eyes.