Help

I really need help finding a new book I am absolutely obsessed with dark romance so I would like it if it was in that theme but I don’t want like the main stream books like haunting Adaline because I’ve already read all of those and honestly it doesn’t have to be a dark romance just anything that keeps me on the edge of my seat like oh my gosh what happens next with a dash of some type of romance would be amazing so please  give me some of  your recommendations <3