The Return of the Eldest Princess: from Stupidity to Two Emperors Side by Side

The eldest daughter of the Prime Minister's Palace, who was framed as a fool, wakes up as the eldest princess of the subjugated country because of her lingering resentment. She secretly uses the wisdom of her past life to become the richest man in the capital and avenges her century-old subordinates. On the way, she reunites with the hero who died in her previous life and falls in love. After going through the turmoil, the two rule the country together as two emperors.