Even for "porn with a plot", this is unusual. Palpable sense of dread hangs over everything, and the supernatural elements dovetail with serious themes: characters dealing w/ dissociation, depression, repressed memories & suicidal ideation/impulses.
Sisterfuck in this chapter is the hottest moment yet, though the sex scenes are starting to feel samey/repetitive. Art & writing could use some variation in that regard.