Regressor Instruction Manual

 One day, I was summoned to this world. Beasts poured out, and an incredible crisis came. My talents couldn’t have been worse. [The player’s talent level is at rock bottom.] [Almost all the numbers are hopeless.] Whether you have to become a warrior or a wizard. Whether you’ve gone back in time. You have to take advantage of everything in order to survive. “What about it?” “I’ll use everything I have to survive!” An award-winning novel (2019).