No Worries for Those Who Are Timid

The resurgence of spiritual energy is so sudden that people are caught off guard; The appearance of alien beasts has turned the world into a crisis. Relying on the sudden emergence of superpowers from various countries, mankind can barely survive... Many fortresses have been built outside the dilapidated city, but after all, the size is limited, and some people will eventually be turned away... Life is such a reality. As a small person, being less curious (cowardly) is the best way to survive...