Um, Enoshima started talking about the only reason our class survived the incident was so we would participate in the mutual killing.

[ He's fairly sure Ishimaru knows this already, but he decides to talk about it anyway. ]

She told us there are still pockets of resistance left in the world, and that's why she hijacked the TV signal. She wanted to show the world how we, the symbols of hope, killed each other... She used us.