This is an Obey me characters x oc kocho sister fanfiction! After a mission, our heroine was unexpectedly invited to attend the famous RAD school. How will our heroine deal with these drastic changes, being thrown into another world filled with demons? Demons are the enemies of demon slayers, aren't they? But why are these demons different from the man-eating demons? Read and immerse yourself in the adventure of our Heroine!