I don't get it, what is she is doing?

Gerfand said:

I don't get it, what is she is doing?

Probably would have to translate the title of the book, but maybe she's reading something so cringe that it's actually causing her physical harm.

Gerfand said:

I don't get it, what is she is doing?

NegativeSoul said:

Probably would have to translate the title of the book, but maybe she's reading something so cringe that it's actually causing her physical harm.

Reciting tongue twisters until she bit her tongue.

In some stories, a captured ninja would bite their own tongue off to choke/drown on their own blood.