No. Choosing to not stream does change some of the story though. Starting while streaming basically unlocks more possible bad endings and SPOILER: Will make the bot think more negatively of you each time you stream.
Not really. Not starting to stream just adds altered dialogues and that's it. Jun doesn't care about streams
ah, ok
By the way, I used to think so too, but then I decided to make sure... I make sure of the opposite.
thank you both :)