Mecha: I Really Didn't Call the Monster Here!

One year in the future, monsters invade Blue Star. Humans use super-ancient human relics to build mechas to resist monsters. Mu Fan became a mecha pilot by chance. Pilot an S-class mecha. General: "Prepare candidates for captain!" Fly the original aircraft. General: "The country depends on you!" Summon an ultra-ancient mecha. General: "You are the savior!" Summon an army of monsters. General: "Niang Xipi, this guy can't be a teenager, right?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.