Seijo (Moto Kouho) to Maou no Keiyaku-kon

Fricka, a candidate for saint, is sentenced to be executed for a crime she did not commit after her rival Emma steals her "holy god power" from her. She is rescued by the demon king, who suddenly appears and tells her that she has been chosen as a future bride for him...? https://www.cmoa.jp/title/294584/