I’m Quitting Heroing: Next Gig Is at the Demon Queen’s Castle (Yūsha, Yamemasu: Tsugi no Shokuba wa Maōjō) is a new light novel anime premiering in April 2022.
After saving the world, the strongest hero Leo became someone who is not wanted in the peaceful human world. He was too strong. Exiled, he seeks a job at the Demon King’s Army, which he had defeated and needs to be rebuilt.
The Army had many problems: too much work, financial troubles, etc. Leo starts to make things better using his power. Leo encounters Echidna again, and asks her why she invaded the human world. There was an unexpected story…!
Kuontamu began serializing the story in the Kakuyomu story website in January 2017. Kadokawa is publishing the story in print with illustrations by Amano, and it released the first volume in December 2017. The fourth volume shipped in August 2020.