[zaeraal]

Originally Posted by Richocet

Spoiler:

Wow, what a bi!$h, why did she do that? Can't tell much with just those pics.

I am not sure, but probably to get rid of the interference from their plan, so they would not help Misaka.
But heck, this puts them pretty much out of the rest of the chapters till Misaka manages to get their memories back.

Spoiler for index:

(they CERTAINLY had their memories back later in Index).