I, a Navy Undercover Agent, Am Married to the Daughter of the Yonko

I, Ross Allen. Travel through the world of pirates and activate the blessing system! Have you ever seen an animal-type Devil Fruit user who can use the Eight Gate Dungeon? Have you ever seen a phantom beast devil fruit user who can use a serious punch? Just asking you if you are afraid! With this in my mouth, I originally wanted to retire as a vice admiral at the age of thirty. But the reality is that I became a navy undercover lurking under the four emperors. Hello! Marshal of the Warring States Period! When the hell are you going to send troops to attack Wano? I'm about to get married to the Yonko's daughter! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.