Hidenka no Bishou: Migawari Hanayome wa, Hikikomori Denka to Shiawase ni Kurashitai

Is it wrong to seek the happiness someone else denied you? Sara, a royal maid in the Kingdom of Saleilles, is ordered by the king to enter a political marriage with the eldest prince of their rival kingdom, Ferrier—but as the body-double of the real princess! But then Sara's boyfriend cheats on her with the princess she considered a friend and turns on Sara completely! Utterly betrayed by those she trusted most, Sara hits rock bottom, heart shattered... Farewell, Princess I used to love and re...