The Tales of The Pirate Ninjas

Kaidon, One of The Yonko was taken down, by a massive alliance of Shichibukais, Pirates, and Revolutinaries. When Kaidon was said to explode, Luffy and The Alliance succesfully destroyed, but a stone was left when Kaidon was destroyed, which made Luffy, Hancock, Dragon, Tralfargar and Jinbe be transferred to another world, full of shinobis. Luffy x Young Hancock and other pairings.