Hair Parasite's Revenge

Filia was once just an average schoolgirl, but one day woke up without any memories and a second mouth on the back of her head. She was now playing host to a Parasite named Samson, an unruly mop of demonic hair with incredible power, With no memories or anyone to turn to for help, if she ever hopes to piece together her past and survive the inevitable clash with the Skullgirl, Filia will need to trust this mysterious being, Filia used to be a schoolgirl, She was the daughter of Amelia and Marcus Medici. she met Samson along with his previous host, a dog he had named Dog thanks to Carol who found him in the streets. When Carol brought Samson to see if Filia could take care of him, Filia reluctantly agreed to keep him after he pledged to protect her and assured her that although a parasite, he wouldn't leave her for his own well being, Six months later, Carol had been abducted and Filia is guilt-ridden over disappearance. Despite Samson's best attempts to cheer her up, they only served to remind Filia of Carol. Immediately after, the Skullgirl Marie burst into their home, seeking revenge on the Medici Mafia. Despite Filia stating that they aren't like the rest of her family and they have had no contact with them in a long time, Marie did not believe her. Samson and Dog then appeared and Marie recognizes them (Saying "that dog"). She then decides to spare them but only if they leave the city, Later that night, Filia and her parents are packing up and getting ready to leave. Vitale and Ottomo arrive after the rest of the Medici Mafia were attacked. Seeing them packing, Vitale, enraged, questions why only Marcus' family, who had left the rest of the Medici family for a "trivial" matter, was the only one spared. Believeing they're colluding with the Skullgirl he sends Ottomo to find Filia and Vitale then kills both Marcus and Amelia. Filia, hearing the gunshots, goes downstairs and finds her parents dead. Immediately after, she calls Samson for help, but he arrives too late as she is shot. After Ottomo defeats Samson, he and Vitale leave to report back to Lorenzo. Samson, realizing that Dog was actually killed in the fight, mourns and blames himself for not protecting him. After realizing that Filia was still alive but dying, Samson changes hosts to her, saving her life. After Filia wakes up, Samson says that he had no choice if he was to save her and because of what Vitale did to "not just her, but their family". Filia however, awoke with amnesia and did not remember anything, which surprised Samson,