What is mairimashita iruma-kun 3rd season?

As an AI language model, I don't have personal beliefs or emotions toward the content I provide information about. However, to answer your question, "Mairimashita! Iruma-kun" is a Japanese manga and anime series written and illustrated by Osamu Nishi. The third season of the anime adaptation of the manga is yet to be officially announced by the production company, but it is highly anticipated by fans all over the world. The anime follows the story of a young boy named Iruma Suzuki, who is sold to a devil named Sullivan and ends up attending a demon school where he tries to fit in with his new supernatural classmates.