Yuusha, Yamemasu

I’m Quitting Heroing: Next Gig Is at the Demon Queen’s Castle (勇者、辞めます~次の職場は魔王城~, Yūsha, Yamemasu: Tsugi no Shokuba wa Maōjō) is a Japanese fantasy light novel series written by Quantum and illustrated by Hana Amano

It was serialized online from January to February 2017 on Kadokawa’s user-generated novel publishing website Kakuyomu. It was later published by Fujimi Shobo with three volumes from December 2017 to October 2018 under their Kadokawa Books imprint. A manga adaptation with art by Nori Kazato has been serialized online via Kadokawa Shoten’s Young Ace Up website since May 2018 and has been collected in six tankōbon volumes