What do I do here?

Hint 1 of 9:

If you wait around too long, you'll get captured.

Hint 2 of 9:

Waiting in the shrine won't help much.

Hint 3 of 9:

Since you don't have any papers, you can't get out of the park.

Hint 4 of 9:

The writing on the poster said "Revenge ... midday."

Hint 5 of 9:

So there will probably be an act of revenge at midday.

Hint 6 of 9:

Around noon, rebels will try to attack the tanks.