The Reincarnated Noble Who was Exiled, Uses a Useless Skill to Rule Over Domestic Affairs: Was Supposed to Run the Territory Freely, but Thanks to the Skill "Gacha", Ended Up Creating the Strongest Territory

Tsuihousareta Tensei Kizoku, Hazure Skill de Naisei Musou: Kimama ni Ryouchi Uneisuru Hazu ga, Sukiru "Gacha" no Okage de Saikyou Ryouchi wo Tsukuriagete Shimattaru
追放された転生貴族、外れスキルで内政無双: 気ままに領地運営するはずが、スキル『ガチャ』のお陰で最強領地を作り上げてしまったる

Adaptation

novel

In a previous life, Hiro worked for a black company. In this life, he is the eldest son of a noble family, and he thought he was in a safe and secure position. However, he is banished to a desolate frontier territory with no inhabitants, because the skills he was given did not seem very powerful. But along the way, Hiro's special skill “Gacha,” is awakened! The situation changes drastically when he draws the Legendary Rare Egg of the Divine Dragon. An young man in exile will create the most powerful territory in the world! (Source: Novema, translated)