[Machine Translation] The first time she encountered Kamijou Touma was long before the white sister who presided over many grimoires escaped from the world of magic and fell from the sky. Even now, Misao Shokuibachi remembers it. Even now, Shokuibachi Misao remembers the memory of the boy with the tsu-tsu head. At first, she thought he was a new kind of pick-up artist. One time, he looked at me in my bathing suit. One time, he hit me on the head with a bag. One time, he made me experience indirect kissing. And finally... She was saved. It was one of the happiest times of her life. It was an important "memory" of "Mental Out," the strongest psychic ability. The story of unraveling Misao Shokubachi's past begins now.