Yes, but what is perverted, depends in part from points of view.
That is why I put it in that way, the idea is no matter what she or, more importantly, Myriam does and Katherine sees, she will keep a form of innocence at heart.
Katherine herself will not do gangbang, porn, bestiality, incest, but that does not mean she cannot see Myriam do them, like she already saw her once (but rememeber it depended on the player choices, not everybody saw that) - even a blowjob or a lesbian kiss is pervert for some, so if one follows that line, even Katherine is pervert.
But still, with a good kid heart.