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).