Tang's Crown Prince

"A poor young man, dumped by his girlfriend, unexpectedly travels back in time to ancient times and becomes the crown prince. The story follows his growth and development throughout this journey. The original owner of this body performed poorly at a talent competition, leading to a petition from court officials demanding his removal from the crown prince position. To retain his position, the protagonist and his entourage devise ways to deal with the pressure from the officials. In this process, the protagonist gradually adapts to life as the crown prince, showcasing his talent and abilities, and winning the approval of both the officials and the emperor."