Near-death experiences can be life changing. Such is the case of Edward Johnson, a 17-year-old, high school student attending Japan's Sentoki High. Having lost his parents at a young age and with his older brother always being abroad, life sure can be hard for Edward. But as the crime and violence of Tokyo's darkest recesses corrodes its way into Edward's world, his life quickly takes an interesting turn. Will he let the polluting darkness overpower him? Or can he actually win his one-man fight against crime? Only time will tell, as he becomes Japan's own gaijin hero: The Night Avenger!