Nier Automata What Happens After Ending E

What happens to 2B and 9S after ending E?

After realizing the war and YoRHa is over, unit 2 doesn’t want to be an executioner anymore, and decides to be just 2B. 9S is broken inside and unstable. It’s about 50/50 whether he runs, or just sits and does nothing.

Can you play as Kaine after ending E?

Short answer, yes, you can play as Kaine. However, you can only do so after seeing the first four endings of the game. This includes Ending D, which requires you to erase your existence in order to save Kaine.