I Dumped the Mafia Princess, She Followed Me to Mars

After five years together, astronaut Kaelin Therrin ended things with Diana Valent, the heiress to a mafia family, and then built a new life far from her world. Now he has become a lead astronaut, and he is learning something that unsettles the future he thought he had escaped. Diana's shadowed past and his own old regrets are about to collide, and the distance between Earth and Mars may not be enough to keep them apart.