Synopsis: My Sister Stole My Fiancé, So I Found Love on the Frontier

My Older Sister Stole My Fiancé so I Married a Noble's Troubled Son and We Moved to the Frontier: After Hardship, What Awaited Me Was Unexpected Doting Love and Happiness / Ane ni Kon'yakusha o Netorareta no de Wakeari Reisoku to Kekkon Shite Henkyou e to Mukaimasu: Kurou no Saki ni Matteita no wa, Masaka no Dekiai to Shiawase deshita / 姉に婚約者を寝取られたので訳あり令息と結婚して辺境へと向かいます ～苦労の先に待っていたのは、まさかの溺愛と幸せでした～ It's been ten years since they met at their first tea party. Wendy, the second daughter of a viscountess, dreamed of a happy future with her beloved fiancé, Frederick. However, one day, she suddenly witnesses the scene of an affair between her sister Janet and Frederick. What awaited her in the remote place where she married in tears was a frail, shady, next-generation frontier. With a life full of cleaning, laundry, animal care, and other things they have never experienced before, the newlyweds have a difficult time ahead of them. This is a story of a damaged marriage between two people, and the story of their love for each other!