Kaiu Shimatsu

Kaiu Shimatsu was a senior advisor of the Kaiu Daimyo in the 7th century. He desigend hardier, and faster ships, superior in every way to the pirate ships that had plagued the Crab coasts. His followers were tasked to oversee the production of these ships, and years laters the Crab Clan Champion declared Shimatsu's followers to be a vassal family of the Kaiu, the Fundai. This decission settled a dispute with the Yasuki over paying taxes to fund the work of his followers.