Onizuka unleashed: The Shadow Reaper

Once an emperor of a glorious homeland, his homeland was destroyed out of nowhere by the rise of an advancing biomech revolution. Wiping out his land and nearly killing him in the process. His body was recovered by nearby a medical unit and taken to a underground bunker. There he was put into an induced coma and was given biomech enhancements, recovered from parts of some destroyed biomech creatures. Years later, due to reoccurring nightmares of that day, he wakes up in a fit of rage. Killing everyone around him. He then finds an emblem that he immediately recognizes. One that belongs to a man named Lester. Once Onizuka's loyal friend, most trusted ally, and general of his army, for some reason now turncoat. Onizuka decides to rebuild his kingdom, and make it his mission to go on a quest to find Lester and those responsible and extract his revenge