The protagonist is reincarnated as a prince, the first prince in line for the throne. However, his father, the king, favors his second son, born to the beloved queen, and neglects the first prince and his concubine mother. The protagonist realizes that he's in a typical novel trope where the neglected prince is mistreated, makes many mistakes, and ultimately has his fiancée stolen by his perfect younger brother. Determined to avoid this fate, he decides to change his future, starting with giving up being a prince.