Cyber Mechanic

Intro: Synopsis: [Transmigration + System + Mecha Battle + Passionate + Doting on Sister + Devoted Love for One Person] Gu Ya transmigrated to a mecha world, gaining a system and activating his mecha repair talent. The Black Star Army invaded, cities were destroyed, and Xianxia was in peril. Superior: "Gu Ya, the Black Star has a hundred thousand troops, and we only have three hundred mechs!" Teammate: "Wait! Where did you pull out that 400-meter-long spear?" Enemy: "Run! That person can summon ancient mechs!" Sister: "Brother, I'm hungry." "Be good, wait for big brother to wipe out those hundred thousand enemy troops, and then I'll take you to the best restaurant."