You were pretty helpful at the tower. [Minato's head is tilted, almost like he's wondering why Jessica thinks she needs to know a lot to be useful.]

We're told that people who disappear end up in the Nexus Code but it's hard to say if that's true of everyone. As for where everyone went...we were taken outside of Cerealia and separated by our elements, and we almost died because the air was poisonous to us.