Akutoku Kizoku no Seizon Senryaku

A man is reborn as the main character in the game "Survival Strategy of a Rogue Nobleman," and must struggle to survive. His family's poor governance has left their lands in disarray and rebellion looming. Even if he manages to escape the immediate crisis, he still faces dismissal by the royal family, conflict with a powerful warrior, and demonic invasions. He cannot rely on his maid or butler, who are supposed to support him, as he prepares for a desperate fight. His goal is to reach the favorable ending where he enjoys a life of comfort.