After shedding bitter tears to save a hopeless dark fantasy world, I destroyed everything, killed the Demon Lord, and then returned to the past. Now I'm trying to save the world with the system I received as a...

Harassment from my in-laws who look down on me for being a commoner. A wife who ignores me with indifference. It's been 10 years since I escaped from them. A fallen noble house. My dead wife was still wearing...