Mugino Shizuri

One of the seven Level 5 espers, ranking fourth after Mikoto Misaka, she is the leader of ITEM, which is at odds with SCHOOL. She looks down upon lower-level espers and does not mind eliminating people who get in her way or go against her, regardless of whether they are allies or enemies. Her overconfidence eventually results in her defeat against a Level 0 drop-out. Her ability is Meltdowner, which converts electrons into an unstable destructive matter. Before the events of the novel she and her group are hired to stop Misaka from destroying the facilities involving the experiments with the Misaka clones and Accelerator.