Rias Gremory used to have a good life with her brother Sirzechs and her nephew Millicas until one day she witnessed Millicas' death by Sirzechs' hands. Fueled by rage, Rias vows to get revenge on Sirzechs but was too weak to do anything. During the 3 years of captivity, Rias became a demon and sworn vengeance on Sirzechs but she can't do it alone. Along her journey she met numerous people and found someone she loves. That person is Toad Skywalker and he's the red dragon emperor. Over the 3 years Rias had been in captivity, she earned the name: princess of calamity and decided to roll with it. During their journey, Toad and Rias's relationship develops from Toad being her protector to being her lover.
4 parts