To aru majutsu no indekkusu - Season 1 Episode 19

Accelerator meets the last of Misaka's clones – Last Order – who explains the special role she played in the Sister experiment. Because of the end of the Level 6 Shift, her growth has been abandoned. When they arrive at his home, Accelerator refuses to help Last Order and ignores her. When they go to a family restaurant where look like a strange couple, Accelerator notices a figure who was in charge of Radio Noise plan, Amai Ao. Later, Accelerator learns what steps he'll have to take to keep her safe.