Married My Way to the Throne: More Wives, More Power

Gareth Bush transmigrates to Rassac as a seventy-five-year-old man on the brink of death. Offered four young wives, he awakens the "WifeForce System", which grants him youth and strength through marriage. Since then, he crushes ungrateful family, dominates the army, and rises from common soldier to a founding elite amid chaos.