Mental Out Arc

The Mental Out Arc is a story arc introduced in Shinyaku Toaru Majutsu no Index, encompassing the content of the 11th Shinyaku Toaru Majutsu no Index light novel volume. It primary deals with Shokuhou Misaki, the 5th-ranked Level 5, having to deal with a conspiracy against her that is connected to her past with Kamijou Touma.

It is the first exclusively Science Side story arc since the Freshmen Arc.