cancels Teleport

Kuroko suddenly started pushing on Kamijou’s head to force him under Mikoto’s bed.
The cat mewed in dissatisfaction.
“Ow! Wait, dammit! I’m not gonna fit in that space!”
“It is not normal for a gentleman to be in Tokiwadai’s dorm! Ahh, this is a pain, so I’ll
just teleport y-...huh? Why won’t my power work on you!?”
“Oh, that’s probably my Imagine Breaker. It-...ow! Listen, damn you!”

- Toaru Majutsu no Index Volume 3, Chapter 2 Part 8