Sanemi's feed

Now, don't you think it's crazy how they can 'feel' things in the game?

I feel like this is the real mystery I want answers to. Like, what kind of game is this? Are they characters and are they played by real humans who picked them? How come they're sentient? Is this like a VR game? And if it is, what if one of them logs out because they're tired, they can't do that bc their lives are tied to the game?

I have so many questions!!!!