Japanese video games

So the plot, well using my comic book knowledge it is like a strange version of Hal Jordan and Green Lantern. A normal man who works at an insurance company encounters and alien named Alpha Man who gives him a metal rod, a fork and a coin, kind of sounds like a Macgyver setup, and this allows him to turn into Bravoman. His mission is to stop the evil Dr. Bomb who gives him a… you thought I was going to say bomb didn’t you. Dr. Bomb has an “end the world weapon”, whatever that means, that will, er, end the world.