Pulp Mecha Story

futuristic city which extends into the sky hundreds of miles with weird machines and technology being far advanced. Kid works with a mecha which is used as manual labor machine. He has done that job for over three years every single day when an invading force attacks the village upon news of the discovery of something precious on this planet. The boy’s father is killed by accident by the invaders. He joins the organized forces to battle the invaders, sponsored by other off planet forces, he fights off the recent invaders, only to find that he has been used by another group who is actually evil, and has bad intentions, in the battle he takes the precious thing for himself, a power well, which he installs into a mecha crafted by his late grandfather, a work of conceptual art rather than a weapon. He uses the mecha to defeat the invaders and forever remains the savior of the planet. The next day he is back to his mundane work, and nothing has really changed except he is using an awesome mech.