She is a Antagonis character in Kamichama Karin.
Karasuma Kirika is Kirio Karasuma sister, as a child he had no identity and followed his brother as a man. Kirika everyday man disguised as a handsome and clever that makes Karin fell in love with her. Kirika can be transformed into the goddess Nyx. as time passes, she eventually became good character and helped to defeat Kirihiko Karin Hanazono.