My Child Came Back to Find Me

Thirty years from now, the apocalypse will arrive, and the world will be devastated.

One person acquires a System and, after handing it over, leads humanity into the past to trade for supplies.

Thirty years earlier, Xu Xu, who had just come of age, thinks it has nothing to do with her.

She eats and drinks as usual, and keeps going to school.

Until one day, a handsome young man walks up to her and greets her warmly:

"Mom."

Xu Xu is stunned. "..."

Xu Xu's eyes widen in shock. "????"

Theme: Stay alive.