This Bastard is Too Competent

He was the one who would become the greatest monarch in history. “The spot you had climbed once, there’s nothing you can’t climb again.” He was destined to become the greatest monarch in history. “Once I’ve ascended to that position, there’s no reason I can’t ascend again.” [Plot] “Now, only one step remained. Becoming king was within reach. But that had become a mere dream. And yet. “I’ve returned to the past?” But one thing was certain. “I will make sure you pay the price for betraying me.” And this time, he would never let go of the throne that was meant for him. He was destined to become the greatest monarch in history. “Once I’ve ascended to that position, there’s no reason I can’t ascend again.” The protagonist, Ian, is the seventh prince of the Kingdom of Kainstein. He lived as a serf as a child, but one day, the Duke of Garcia visits and brings him to the capital, where he jumps into the line of succession to the throne. Just because he lived as a serf and because he showed shortcomings that befitted his background as a serf, he suffered all kinds of scorn and disdain, but he worked hard to show Duke Garcia that he was the rightful successor, and at the moment when he was close to becoming king… … . Duke Garcia betrayed him, and Ian met his death. And then he returned to the time when Duke Garcia sent someone to find Ian… … . In this life, he wants to be the one who uses, not the one who is used. “His goal is to become the king of the Kingdom of Kainstein and unify the continent! What will become of the protagonist, Ian?”