Oliver was just another Average Joe when he got hit by truck-kun and sent to another world—reincarnated as Dominic Theodore Valentinian Black, prince of the Black Kingdom. However, he quickly learned that it wasn't all fun and games. His kingdom was isolated, impoverished, surrounded by enemies, not to mention a Succession crisis. The kingdom is at risk of collapsing or being conquered. In such an age in such a kingdom, will the kingdom collapse, taking the Young Prince with it, or will he rise to Greater Heights with his new country?