A Thousand Faces: A New Identity Every Month

What?

I'm a man, and you want me to transform into a gangster girl and take down old guys?

You want me to collect debts, but I have to figure out what they owe on my own?

This book has no mindless money-flinging. The story itself drives the plot forward.

The System isn't invincible.

The protagonist completes System tasks relying purely on skills and intelligence.