So after last chapter, it turns out that Hashirama and Madara were friends (at least, from Hashirama's perspective)... But the relationship between the two wasn't exactly a secret, because Kakashi already explained most of it a few years back..
Chapter 234;
"Your lives are remarkably like theirs"
Perhaps that gives us a clue what to expect for the next flashback chapters
Chapter 234;
You must be registered for see images
You must be registered for see images
You must be registered for see images
"Your lives are remarkably like theirs"
Perhaps that gives us a clue what to expect for the next flashback chapters