Bright Sword: From the Start, I Join a Female Bandit Chief and Build an Arms Factory!

[War of Resistance + military industry and development + Drawing Sword + explosive action + overwhelming firepower] From the start, Black Cloud Stronghold is blasted flat by Li Yunlong. Having just escaped down the mountain, Xie Baolin is surrounded by Japanese troops! The Myriad Worlds Military Industry System activates, binding him to a miniature 3D printer from the start! Trapped with no way out, Xie Baolin throws scrap metal into the machine. He has no idea that... The rusty junk instantly turns into a brand-new AK-47! He unleashes 600 rounds in one minute, wiping out the entire enemy force! The female bandit leader Yan Shuangying bows to him on the spot, while Li Yunlong can only roar with envy: “I want one!” Years later, a million enemy troops encircle them, hoping to launch a counterattack. Little do they know...