Then she finds someone who she helps and ends up falling in love with. In a time of pain and loneliness, Vaggi becomes her light.

Which also makes me think that if that is the case, then Charlie found Vaggi not long after her mom disappeared. So Charlie was Alone, scouring the streets for people to help, alone. While her mom is MIA and her dad is in hiding for only securing hellborn safety for the exterminations.