Falling for the Main Characters in a Novel

[Siren Menage Amour ManLove: Erotic Romance, Alternative, Fantasy, Science Fiction, MMM, HEA] After dying in the real world, Westin Kaufman's soul transmigrates into the body of a minor character that has the same name as him. Since he has read a part of the novel, he knows some future events. Francis Pedan is a retired assassin who now runs a restaurant. He performs good deeds to alleviate the guilt that's eating away at him due to his unsavory past. That's why he willingly helps out Westin even though the man is a total stranger. Grant Pickett is the leader of an organization that collects and sells information. He and Francis are sex buddies, but he's secretly in love with the man. He's suspicious and more than a little jealous of Westin. Recently, there are many missing people in the city and elsewhere so Westin, Francis, and Grant work together to handle the cases. Somewhere along the way, feelings develop. Can the three men find their happy ending while solving the cases?