After traveling to the HP Mary Sue fan world with the base three system, Andrea made a deal with Law.
"The power of the original work is constantly affecting the world. If someone realizes that something is wrong with Mary Sue and hurts her, the whole world will collapse. You help prevent this from happening. After it is done, I will send you back to the original world."
What could be worse than living under the halo of Mary Sue?
Help her and stay awake T-T