War of Resistance: Logistics in Bright Sword

Male-lead power fantasy + passionate war against Japan + overwhelming technological advantage

He transmigrates into a quartermaster who was mocked by Li Yunlong after the Battle of Cangyun Ridge for being “more timid than a needlepoint.” Then his System awakens. He becomes the most “cowardly” man in the regiment: holding back the charge while keeping a close eye on the spoils, making steel helmets with primitive methods, and improving hand grenades. Despite Li Yunlong’s constant grumbling, the regiment’s casualty rate somehow becomes the lowest in the entire army.