The Two Different Crimes: All Connected

This story is in two parts. The first story is called The Legacy of The Cannibal Curse. It is about a girl named Cassandra who has autism, is being bullied, and is related to a killer named Baxter Bernadette---her father. She doesn't want to become like him, but under the influence of her step sister, Monica Fitz, she becomes a cannibal---leaving her cursed of being a cannibal like her dad.
The second story, In Love With a Serial Killer, is about a teenaged girl named Thalia Nicholson who has a crush on a boy named Luca---Luca Rea, who is....a serial killer. No one knows besides her. She is pregnant by him, and, despite his crimes, she loves him. Because of dealing with a teenage pregnacy, her parents and older brothers disown her, leaving her to live with Luca and his dad, who she calls Mr. Rea, with respect, whose also a serial killer. As her pregnancy progresses, she feels hormonal urges to kill her whole family because they disowned her, but although they did harm to her, she doesn't want to have those hormonal urges, and she is tested for post partum depression. Both stories interwines in some way as Luca crosses paths with a cannibal, in which he threatens the cannibal.