“S-stop.”
“I can’t hear you.”
Cracking sounds were made, but no-one was sure what was happening. Kakine wasn’t touching Yomikawa, but Yomikawa’s body was being stepped on by something unseen. Her body was trembling and the red-black patch, upon the pressure, had started to spread once more.
______________________________________________________________
Kakine used his ability and increased the pressure on Yomikawa.
This time it was not just her side, even Yomikawa’s mouth started to have sticky crimson liquid leaking out.

Toaru Majutsu no Index vol.15 ch.5 pt.4