Okiraku Ryoushu no Tanoshii Ryouchi Bouei: Seisankei Majutsu de Na mo Naki Mura wo Saikyou no Jousai Toshi ni  

Van, a young boy born into a prominent family as their fourth child, recalls his past life as a salaryman in Japan at just two years old. Despite having an adult brain in a young body, his exceptional abilities are recognized as child prodigies. However, his "Production Magic" talent goes unnoticed until his eighth birthday. In a family that values offensive magic over crafting skills in battle, Van's unique talent is deemed useless and results in his exile from his family in shame. With his personal maid, memories from his past life, and his seemingly worthless magic, can Van turn around the fate of this small village and his own?

Okiraku Ryoushu no Tanoshii Ryouchi Bouei: Seisankei Majutsu de Na mo Naki Mura wo Saikyou no Jousai Toshi ni began as a web novel on Shousetsuka ni Narou on May 15, 2020. The first official volume was published on September 25, 2021 by Overlap under the Overlap Novels label.The series has been published in English as Easygoing Territory Defense by the Optimistic Lord: Production Magic Turns a Nameless Village into the Strongest Fortified City by Seven Seas Entertainment under the Airship imprint since January 9, 2024.