A Layabout in the Northern and Southern Dynasties

A middle-aged male protagonist dies for no apparent reason.

He is forcibly made to transmigrate to the Northern and Southern Dynasties, where he must fight his enemy to the death.

Hoping to save his love with his first-love wife and return to the modern era, he originally planned to follow the historical timeline step by step. But when he realizes he can't control how things unfold, he decides to take things as they come.