The fact that he doesn't remember anything that happened in Shibuya must mean that either his memories have been messed with, or the Overseer is able to pull people in from different points of time.

[ The former is concerning. The latter does present an opportunity. ]

If it's the latter, there is an opportunity we might be able to change things. [ Of course, he's a realist, so he doesn't want to get the other boy's hopes up. ]

But don't get too excited about that. If things had changed, then we probably wouldn't have any of those memories at all. [ If Gojo had come back fully prepared for what was going to happen in Shibuya, he would have wiped out Kenjaku from the very beginning. ]