“Touma, this is like a jigsaw puzzle made from glasswork.”

Index was calmly observing Maika’s body.

The grimoire library was analyzing the curse.

…Did that mean this was magic and not an esper power?

“If it shatters, the shards will scatter everywhere. They’ll tear Maika’s body apart from within. Touching it with your right hand will only make things worse.”

Toaru Majutsu no Index New Testament vol.18 ch.1 pt.5