Maou to Yuusha ni Dekiai Sarete, Oteage Desu!

Claire was reincarnated into a magical world where she became the demon lord Noah's secretary. Noah treats her well and she enjoys her life there. But then Claire was pulled through a magical portal to the hero Ilwert, on a mission to seal away the demon lord. Claire reluctantly follows along, hoping to return to her home at the demon lord's castle...