While the portrayal is very grim, as a OSDD-1 system, I felt that the representation was handled very well. Without spoilers, there is a dynamic between two alters who struggle with their direction in life and it turns vitriolic - while it isn't happy representation, I do feel that this kind of representation is accurate to what a dysfunctional system is like.
It is revealed a camera has been planted in the room of a teen girl by her father, who has been secretly taking photos of her in various stages of undress.