AKUTOKU KIZOKU NO SEIZON SENRYAKU

After being betrayed by his unfaithful wife and going through a divorce, the protagonist quits his job and becomes a shut-in.
With no hope or purpose in life, his only joy is playing a game called “Survival Strategy of the Corrupt Noble”—a fantasy game where he plays as a noble lord managing a domain.

However, due to his reckless lifestyle, he suffers a heart attack and dies... only to awaken as the protagonist of the very game he had been obsessed with right before his death!

To avoid the all-too-easy betrayals and quick Game Over = Death, he must first earn the trust of his subordinates and change his doomed fate!