The reason why it is said that there are differences between the new Ultraman world and this one is also because of these.,The invasion of aliens brought disaster, but also indirectly brought opportunities.,After Ultraman disappeared, the world did not fully usher in peace. Although all monsters vanished mysteriously, their remaining cells evolved into many low-level monsters that rampaged and killed people for the past two years. It was only after the widespread implementation of the Kamen Rider system that they were successfully contained.。