Hold Series by Claire Kent

Find the strongest man there. Give yourself to him in return for protection. It’s the only way you’ll ever survive. Convicted of a minor crime, Riana is sentenced to a prison planet—a dark primitive hold filled with convicts vying for power. Her only chance of survival is with Cain, a mysterious loner who has won his territory in the prison through intelligence and brute strength. Sex is all she has to offer, so she uses it. She’s under no delusions here... moreFind the strongest man there. Give yourself to him in return for protection. It’s the only way you’ll ever survive. Convicted of a minor crime, Riana is sentenced to a prison planet—a dark primitive hold filled with convicts vying for power. Her only chance of survival is with Cain, a mysterious loner who has won his territory in the prison through intelligence and brute strength. Sex is all she has to offer, so she uses it. She’s under no delusions here. No one is ever released, and no one ever escapes. Survival is all she can hope for—until Cain. less

Kyla was born the younger daughter of the royal family of a planet known throughout Coalition space for its indulgence and debauchery. Travelers come from all over to give into their deepest desires in the decadent royal court, but Kyla has been surrounded by sex and physical indulgence since childhood. Now she wants nothing to do with such empty pleasures--at least, until she encounters Hall. Hall is irresistibly sexy and mysterious, and he seems to know her from the inside out... moreKyla was born the younger daughter of the royal family of a planet known throughout Coalition space for its indulgence and debauchery. Travelers come from all over to give into their deepest desires in the decadent royal court, but Kyla has been surrounded by sex and physical indulgence since childhood. Now she wants nothing to do with such empty pleasures--at least, until she encounters Hall. Hall is irresistibly sexy and mysterious, and he seems to know her from the inside out. He makes her want to explore the sensual side of herself for the first time. But he has already declared himself as a potential suitor of her sister, which means he's completely off limits to Kyla.  He's also hiding a gift that makes him as dangerous as he is attractive. When she discovers a plot that threatens to bring down the iron fist of the Coalition on her peaceful planet, Kyla is forced to rely on a man who has been hiding secrets from her all along--a man who makes her want things she's never wanted before. less

As a pilot and a smuggler, Lenna has spent her life flying under the radar in Coalition space--taking care of herself, not relying on anyone. She's always liked it that way. But now she's stranded without any resources on a stone-age planet, and the only way to survive is to hook up with a bunch of cavemen. She'll do whatever she needs to do in order to survive in their world--even if it means letting one of them take her as a mate. She doesn't expect to like it. Or like him... moreAs a pilot and a smuggler, Lenna has spent her life flying under the radar in Coalition space--taking care of herself, not relying on anyone. She's always liked it that way. But now she's stranded without any resources on a stone-age planet, and the only way to survive is to hook up with a bunch of cavemen. She'll do whatever she needs to do in order to survive in their world--even if it means letting one of them take her as a mate. She doesn't expect to like it. Or like him. Or lose her heart in the process. less

For almost a year, Talia has lived as a sex worker for the High Director of the Coalition Council, providing recreational sex and sensual pleasure for some of the most important and influential people in the explored universe. After a difficult and joyless childhood, she now has comfort and security, living and working in the center of power in Coalition space. She has everything she needs, and she doesn't know she has anything else to hope for--until she meets Desh... moreFor almost a year, Talia has lived as a sex worker for the High Director of the Coalition Council, providing recreational sex and sensual pleasure for some of the most important and influential people in the explored universe. After a difficult and joyless childhood, she now has comfort and security, living and working in the center of power in Coalition space. She has everything she needs, and she doesn't know she has anything else to hope for--until she meets Desh. Sex with Desh is better than she's ever known sex could be, but they have no future together. Desh is a rising champion in a combat tournament, but she knows he's hiding secrets. He's on a doomed mission that will likely kill him in the end. And even if it doesn't, Talia will always be a sex worker. Her job is to have sex with other men. She can offer her body to Desh for now, but offering her heart to him would mean giving up her hope of a future--and probably risking her life. Falling in love is the most dangerous thing she can do. less