Hazure Zokuseido Mahou no Sei de Henkyou ni Tsuihou Sareta no de, Gangan Ryouchi Kaitaku Shimasu

Ecto, the third son of the Count Glenreed family, received the skill "Earth Magic" during his coming-of-age ceremony. Earth magic, which is not suitable for combat, is also called the "failure attribute". He was disowned and appointed as the lord of the ultra-remote Boda Village. However, thanks to "a certain secret", Ecto devised a way to use earth magic that ordinary people would not have thought of! Together with his bodyguard female adventurer party "Advancing Wings" and his companions, they defeat magical beasts, clear up forests, cultivate fields... Thanks to earth magic, Boda Village undergoes remarkable development!? Source: MU