Kara no Kyoukai movie 6 - differences from LN

[Username55]

So finished it yesterday, hear it's different from the LN, what are the differences without spoilers for the next movies?

[Rafflesiac]

The movies had less prostitution and drugs from my understanding.

[yokushi]

Kurogiri's role and backstory are also cut.

[Crown]

bullying, prostitution, suicide, violence between students, lewd relationships between students and outsiders, student pregnancy, kurogiri's role

did the movies reveal

Spoiler:

that ouji's his sister?

i don't remember