Camboys (Straight Guys #6)
Steve Milton

Everything goes according to plan, and Kevin has more than his share of well-paying admirers. One admirer in particular stands out: he goes by the name OneBillion and he tells Kevin that he's an oil billionaire in Texas. But Kevin is precociously smart, quickly notices that OneBillion doesn't talk like a middle-aged billionaire. Kevin asks the mystery man some probing questions, and the answers cast serious doubt about whether OneBillion really is who he claims to be.
But it's all for the best, because when kevin finds out OneBillion's true identity, he finds behind it a peer, a best friend, a lover, and even a business partner, one who was trying to impress Kevin with a fake identity.
This is a sweet and sexy romantic male-male novella with detailed descriptions of male-on-male lovemaking that lead up to a happy ever after ending.