Mated and Inseparable

[Siren LoveXtreme Forever: Erotic Romance, Alternative, Polyamory, Science Fiction, Futuristic, MMMMMM, HEA] Rayden Gonzalez, Dominic Porter, and Deacon Riley have been dating for years. Rayden is one of the wealthiest, most powerful, and influential people in the world so he's constantly under scrutiny.  After sneaking out for a bit of fresh air and some freedom, he’s attacked by assassins. He's rescued by Dexter Walsh, Sebastian Richardson, and Asher Newman. To repay them, he hires them as his bodyguards, effectively protecting them from the assassin organization that's pursuing them. The six men work closely together. Dominic, Asher, Dexter, and Sebastian were all ex-assassins who had been genetically modified when they were kids. All six men have some other things in common. The constant interactions bring them closer to one another. Soon, it becomes obvious that they're mates. They agree to date while fighting hidden enemies. Will the six men survive more assassination attempts and successfully mate with one another?