When the end of the world comes, the consciousness of the world chooses a new Mary Sue, and the original Mary Sue was instantly infected with the zombie virus after losing the ability to be a "Mary Sue" and changed her name to Su Lili.
The consciousness of the world wants to get to know each other at least, leaving Su Lili with a "Mary Sue Halo" and allowing her to retain human consciousness.
So--
Scene one:
Su Lili: Hi! Brother, you...
Zombie No. 1: Ah! It's so bright, I'm going to go blind.
Zombie No. 2: Oh! Eyes! Eyes! My only eyes!!
A long time later, humans discovered that most zombies were wearing eye patches for some reason.
Su Lili:?
Scene two:
Su Lili: Human, you...
Human No. 1 Looked at Su Lili. Human No. 1 Was shocked. Human No. 1 Was blinded.
Su Lili: Excuse me...
Human No. 2 Looked at Su Lili. Human No. 2 Was shocked. Human No. 2 Was blinded.
Much later, the zombies discovered that most humans were wearing sunglasses for some reason.
Su Lili:?
*There are RPG elements
Motto: Even if the whole world gives up on you, you can't give up on yourself