Beating up the Princess at the Beginning: Please Forgive My Ignorance

He was a poor country thief, and because he had no money to treat his seriously ill mother, he had no choice but to take risks and rob. But he was shot to death by a plainclothes policewoman. He traveled to a dynasty in a parallel world and became a disciple of a down-and-out noble. However, he accidentally beat up the princess and was forced to marry the princess due to some strange combination of circumstances. From this moment on, this bandit begins to turn his life around!