'Obsession' by Calista Fox is book Four in the "Bayfront Billionaires" series. This is the story of Roxy Shea, Nick Faulkner and Hunter Valens. I have read the other books but this is easily a standalone book.
This is a hot book that tells the story of Roxy meeting two men Nick and Hunter. Nick and Hunter are friends and both of them are attracted to Roxy. They end up all sleeping together and finding their place in this new type of romance affair they are having. I have enjoyed Ms. Fox's hot romance read and this one was a great add to the series!