Regressor Instruction Manual summary: You are reading Regressor Instruction Manual manga, one of the most popular manga covering in Action, Adventure, Fantasy, Harem, Psychological genres, written by at MangaBuddy, a top manga site to offering for free. Regressor Instruction Manual has 147 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Regressor Instruction Manual to your bookmark. 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).