The Fifthteen Herrscher

There was always rumors of there was Fifteen Herrschers instead of fourteen, the Herrscher was the Herrscher of Liberation, the Black Sheep among the Herrschers because for some reason, it never gained any hatred against Humanity but instead it helped it, as that Herrschers was most known as the Boy who saved the Fishmen, but after that it was never heard about it until after 700 years later after the second eruption, a Boy named Monkey D. Y/N, got accepted into Saint Freya because of his strong resistant against the Honkai, hes dream is as same as his ancestors dream, to become the Pirate King