Not really I actually didn't know until he said he's a traitor
Not with the foreshadowing sinister smile he made?!
Cuz so that we know like?? It's giving clue for the smile, and it was already obvious when the mc look at him when he was being slowed down
The cup though was a massive red flag. He said he remembered the past, surely about errs and the others, and almost broke the cup out of anger. Yeah, man definitely didn’t do that out of affection and selflessness
I knew this son of a bitch was a betrayer. The author made it so obvious