The story follows the adventures and happening events of Satoru in a different world. Satoru always desired to lead a live in another world or have a super power. When it actually happend he was very excited but he also had to do a certain task, that is to save the world from countless monster invasions. How will he get through the hardships that fall upon him? Will he defend the world alone or with the help from others? You will have to find it out for yourself.