Joshua was a production magician in a black knight order with no days off and low monthly pay.However, Joshua parted ways with the leader of the knights, who had forgotten his beliefs, left the group, and set out on a journey to find a new job. Along the way, Joshua rescued Ilia, a demon princess who was being chased by a demihuman hunter.Joshua was welcomed at the village of the demon race where she was invited as a thank you, but he couldn't bear to see them being oppressed by the demon king's army and slave traders, so he decided to help them with production magic!?Before he knew it, his production magic, honed to its limits, brought happiness to many people!!A white nation founding fantasy in which the best production magician goes with his friends!