外れスキル「世界図書館」による異世界の知識と始める『産業革命』～ファイアーアロー？うるせえ、こっちはライフルだ！！～ (Associated Names)

Grace, the third prince born in a country where force is used in a turbulent world, has been given a non-combat power gift called “World Library”. Grace tries to explain his usefulness by using the knowledge of “World Library”, but he continues to be ridiculed by being compared with his two older brothers who have…