Gear × Magic Reincarnated As An Engineer, I'll Save The Villainous Princess Light Novel vol 1 back

When a beggar boy stumbles on a rusted mech, he suddenly unlocks memories of his past life! Can he be the hero needed to rewrite this universe’s story or will his meager status hold him back? Catch all the action in this new isekai x mecha light novel series!When Grimm, a young beggar boy, stumbles upon a suit of rusting GEAR in the ruins of his destroyed home, he awakens memories of his past life. He realizes he’s been reborn into the world of GEARxMAGIC, a hit anime about humanity’s war against half-human, half-machines known as Gargoyles—but wait, didn’t that anime have a bad ending?!The protagonist killed the imperial princess and doomed everyone! But maybe it doesn’t have to be that way… Armed with his knowledge of the IP and his engineering skills, Grimm hatches a plan to invent GEAR advanced enough to defeat the protagonist and save the princess’s life! But can he really rise from his humble beginnings to become a hero?