Her New Emperor? (Jennie Kim)

The Royal Family's only child left after her two brothers, Jennie Kim becomes queen on her 18th birthday. But like tradition, she needs to marry before she gets the crown. So the emperor, her father chooses one of the youngest and most successful businessman in the world, Lee Taeyong.

But because of an accident Taeyong gets replaced by his neglected twin Chang Y/n.

Will love bloom in the forced marriage between a neglected and disowned child Lee Y/n and the princess who was trained harshly because of the past.