Akuyaku Reijou desu ga Kouryaku Taishou no Yousu ga Ijou Sugiru

Mistia Erlaine is the daughter of a noble family who just started at high school. She's surrounded by a group of adoring classmates and her charming fiancé. Everything seems perfect. Except that this world is actually a dating sim called “Kyun Love”, and she's destined to become the main character's