Celestial Chaos (The Commons Book 2)

Lieutenant Honora Kharn lives and breathes the Kurran Empire's Special Ops unit. A highly skilled fighter pilot and warrior, she is selected to go back in time and thwart a plot by the Nym, the number-one enemy of civilized space. When she returns home with a man critically injured by Nym agents, she finds herself dishonorably discharged from Special Ops, and responsible for a man centuries from where he should be.
Andrew Claybourne realized too late that the scientists he trusted to handle his final affairs were anything but. When he finds himself hundreds of years into the future with only the irritable and antisocial Lieutenant Kharn for company, it's difficult to find an upside to the otherwise interesting new time he's landed in.
Unable to get along but strangely drawn to each other, they try to forge new lives for themselves as they travel through space together. But when the opportunity to go home surfaces, neither of them are sure if that's where they truly belong.