Wendy is one of gods angels. She watches over a girl named Elizabeth and is on of the many angels that fight off the demons. One day during a demon raid she was about to attack a demon and the demon was about to attack her. When each of them took off each other helmets their eyes met and their hearts locked. It's forbidden to fall in love with a demon and it's punishment is damnation. Wendy wishes to keep her soul but her heart yearns for lucius. She is torn from keeping to her duties as an angel or comply with the yearning in her restless heart.