[Kuroageha]

Originally Posted by KiharaRonin

For those who have finished the book

Spoiler for spoiler:

Is there a logical answer to Othinus' whereabouts? I know she does eventually show up but I find it odd Touma nor Index have even mentioned her yet. Especially Touma, her understander.

And this is what I meant about these kind of events, author leaves Io to reader's imagination.