Konyakuhaki ga Mokuhyou desu!  

Following an incident, Celenzia becomes aware that she has difficulty recalling details of her current existence in a mystical realm. All she recalls is her past life as a destitute college student. Additionally, the individual she finds herself next to is her fiancé, which adds to her confusion since it does not align with her current reality. Her new surroundings are vastly different from those of her previous life, and she frequently encounters remnants of her former self emerging in every interaction.