Futsutsukana Saijo Ha, Onozomi Dori Mi Wo Hikimasu Kuni Yori Ai Wo Eranda Konyaku Sha to Imoto, Soshite Nokosareta Hitobito No Kokai (Belize Fantasy) [Light Novel]

[Machine Translation] One day, Sapphire, a marquiseuse who is praised as a perfect and brilliant woman, suddenly disappears, leaving behind a letter to her fiance, the Dauphin, who is having an affair with Sapphire's sister. The Dauphin, who had been having an affair with Safia's sister, finds her disappearance convenient. Thanks to her, he gets the credit he deserves, the fiance he loves with all his heart, and life is smooth sailing... It was supposed to be. But the prince's fiancee is not as cultured as she had imagined, his diplomacy is not going well, and his reputation continues to decline. Was this the future that Saphira had envisioned? The Dauphin, fearing that he will be ruined if things continue as they are, searches for Safia in order to somehow get her back...?

「好きな人と幸せになってください」―完璧な才女と称えられる侯爵令嬢・サフィアがある日突然、婚約者の王太子あてに1通の手紙を残して姿を消した。サフィアの妹と浮気していた王太子は、彼女が消えたことは好都合。お陰でサフィアがあげた手柄も、心から愛する婚約者も望みどおり手に入れ、順風満帆な人生を送る...はずだった。噂と違い教養がない婚約者、うまく進まない外交、下がり続ける周囲からの評価。「これが、サフィアが思い描いた未来だったのか?」このままでは破滅すると焦った王太子は、何とかサフィアを取り戻そうと行方を探すが...?