"Unknown magic detected. Analyzing the magical formula... Analysis failed. Switching methods.
Searching A Certain Magical Index for a method to dispel this formula..."
Index was violently smashed into the ground, but because she still had one final defensive formula on her body, the impact looked tremendous while she herself did not suffer any severe injuries.
Kamijou Touma and the others were still stunned as they watched the mechanical voice repeat itself, but in the next instant, Yoru Machi suddenly dropped straight down from the air and landed astride the white-haired loli.
He drove the black longsword in his hand into the ground. One hand clamped around Index's neck, while the other unceremoniously pressed against her completely flat chest. He then said to the still-dazed Kamijou Touma and the others, "What are you standing around for? Hurry up and do something!
This automaton has the knowledge of One Hundred Thousand Pages of Grimoires in her head. No matter what kind of formula she faces, she can quickly find a way to counter and deal with it.
If the magic I used hadn't been rather unusual and absent from the One Hundred Thousand Pages of Grimoires she had collected, it wouldn't have been so easy to restrain her like this."
Hearing Yoru Machi's words and seeing Index struggling continuously beneath him, Kamijou Touma's face immediately took on a determined expression. "What should I do?"
Yoru Machi said, "Simple. Just use your Imagine Breaker again."
Kamijou Touma nodded with a resolute expression. Just as he was about to reach into Index's mouth again, he discovered that Index, under the System of the Book, was staring at him with icy eyes.
He had been able to put his finger into Index's mouth earlier because she had been unconscious. But Index in her current state