The Villainess Who Came to Marry Into the Frontier Noble's Household Is an Exceptionally Capable Wife, Isn't She?

Ragna, the heir to a frontier noble family, is a man reborn into the world of a dating simulation game. He wants nothing more than to live an easy, laid-back life, but finds himself worn down managing his land in a harsh frontier environment. Suddenly one day, Ragna receives a proposal to marry a hi