'Misaka is much farther along than you, in that case.'

[How strange. But if that's the case, then maybe it's different versions of the same earth. There was the multiverse theory, after all.]

'Regardless, Misaka speaks like this to help give context to the Sister's that may show up, thereby reducing strain upon those here and saving explanations,' Misaka explains the main reason for speaking like this, though truthfully it is mostly habit at this point.