Census: It was exposed that I used a mecha to resist the invasion of alien beasts

Story of: Census: It was exposed that I used a mecha to resist the invasion of alien beastsDuring the seventh national census, a group of investigators came to a factory.The factory was empty, but exuded a strong smell of blood.Opening a room, it was full of green liquid test tubes and flesh and blood residue.The frightened investigators quickly reported the case and discovered the evil organization's experimental base.But when helicopters and law enforcement arrive...Su Ze appeared in a mecha and killed a strange beast that escaped from the cave in front of them.It turns out that Su Ze has been silently guarding the cave in a mecha these years to protect human safety.In an instant, Su Ze became angry!