The Villainess Who Married into My Remote Mob Noble Family Is an Incredibly Capable and Good Wife, What's Going On?

Ragna, the heir to a frontier noble family, is a reincarnated former Japanese person, and this world was an otome game world he knew. He wants to live a carefree and relaxed life, but in the harsh frontier territory, he is tossed about by unfamiliar territory management every day. Amidst this, one day, Ragna's marriage to a higher-ranking noble is suddenly decided. And so, the Duke's daughter, Ari, came to marry him...