Hardcore Mecha: I Built a Giant Robot by Mistake

Xu Fan is just a student welder scraping by on commissions—until a gorgeous client offers him unlimited funds to build a 500cm mecha as a birthday gift. When he realizes the task is impossible, a Super God Technology System awakens, and suddenly he's crafting a sleek war machine that shouldn't exist. But there's one problem: she accidentally added an extra zero. On unveiling day, what should be a desktop model towers stories high, its fusion engine roaring to life with blue flames that send the elite birthday party into chaos. Now Xu Fan must face the consequences of building humanity's first…