My Regelence Rake. Sci - Regency, #3

Sebastian Hastings, Viscount Wentworth, is captain of the Royal Guard by day and scandalous rake by night. To protect the royal family of Regelence from the plots of the Intergalactic Navy, Sebastian makes it his priority to personally oversee their safety. Prince Colton Townsend is done pining after the roguish viscount and focuses his attention on his second love-horses. Following his dream of owning a racehorse breeding farm distracts Colton from his heartache.
until Sebastian begins shadowing him. When a good deed at a horse auction sparks public rumors, Colton just might get the man and the marriage he's longed for. But Sebastian's duties and secrets keep him walled off from those who would get close. To reach Sebastian, Colton takes one last risk that might break his heart..