I'm Just Playing with a Rock, Kaido, Why Are You Kneeling Down?

Travel to the world of pirates and bind the rainbow stone system. What can you do with a pile of broken rocks? Space exchange, steel body, absorbing soul, immortality... With these stones, Yechen shook the entire shipping route on his own! Make a fuss in Impel Down, step on Blackbeard, and change the war on the top of history! The three generals fought hard, beat up the Celestial Dragons, and completely destroyed the holy land of Mariejoia! Nami: Yechen, please, come to our boat! Empress: Your Highness Yechen! I am willing to wait for you! Waiting for you to marry me! Warring States Period: The highest level demon-slaying order! I can't sleep or eat well until Yechen is dead! Tianlongren: We are willing to work as cattle and horses for Yechen! I just beg Yechen to spare us a way out! Yonko: With Yechen here, what kind of Yonko should we be? You can go home and farm! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.