I don't think the mangaka understands her motive at this point. It almost seems like it's changed from changed from the first time it was explained to this point
People who fiercely defends the manga while attacking the anime are delusional.
Look at this, just look at this!
I don't talking just about Uchika. Don't miss that the other girl is willingly partaking in this torture.
@supug
Mangaka changed the style in the last chapters.