Saving the world with my mech

the story follows y/n l/n living a world that was once normal but now it's being invaded and attack by monsters and other kinds of strange and dangerous creatures and many government's and military have developed weapons and projects many deal with mechanized robots and machines to counter this threat y/n's parents and his sister work for military and created a organization called hope they have designed and built a new generation of mecha combat robots that can't be pilot by an adult so they need to be pilot by Young teenager like y/n so he and his team are now humanity only hope of saving humanity from Extinction .