Therian Agents Series by Chantel Seabrook

Lion shapeshifter, Agent Chase Payne, doesn't have time for distractions — especially the kind that involve his best friend's younger sister. He has a job to do: leading his team of Therian agents to fight against those who would expose their kind to the world. Lora Oliver wants to be a Therian Agent, but shocking secrets from her past have damaged the bond between her human and animal natures, and threaten to destroy everything she's worked so hard for, along with the people she loves... moreLion shapeshifter, Agent Chase Payne, doesn't have time for distractions — especially the kind that involve his best friend's younger sister. He has a job to do: leading his team of Therian agents to fight against those who would expose their kind to the world. Lora Oliver wants to be a Therian Agent, but shocking secrets from her past have damaged the bond between her human and animal natures, and threaten to destroy everything she's worked so hard for, along with the people she loves. Assigned to Chase's team, Lora struggles to retain control and keep her secrets buried, while Chase denies what he feels for Lora. And then, one kiss changes everything. less

Agent Turner Payne, lion shifter, has dedicated his career to bringing down the man responsible for the deaths of hundreds of metamorphs. His world is turned upside-down when he crosses paths with his mortal enemy’s daughter, Riley, and she becomes the victim of her own father's latest experiment. Riley has to decide whom she can trust—if anyone, and Turner must go against Therian law to protect her. But at what cost?

Kiera is the daughter of the notorious Richard Boyd, the man responsible for the death of hundreds of shifters. She's also the most recent victim of her father's experiments. Once human, Kiera was genetically altered with metamorph DNA. She barely survived the transformation, and now must learn how to control the animal within. Alpha werelion, Jacob Oliver has always prided himself on being reliable, loyal, and practical. He's the youngest ever, Director of Therian Affairs... moreKiera is the daughter of the notorious Richard Boyd, the man responsible for the death of hundreds of shifters. She's also the most recent victim of her father's experiments. Once human, Kiera was genetically altered with metamorph DNA. She barely survived the transformation, and now must learn how to control the animal within. Alpha werelion, Jacob Oliver has always prided himself on being reliable, loyal, and practical. He's the youngest ever, Director of Therian Affairs. When the first survivor of spontaneous morphing ends up in his care, Jacob finds himself struggling to maintain his composure. There's always been something wild and untamed within Kiera, but if she's ever going to be able to rejoin society, she'll need someone to teach her how to control her new animal nature. Jacob Oliver is just the man for the job, or at least he thinks he is. What happens when you add fire to ice? Steam! Will Jacob extinguish the flame within her, or will Kiera finally melt Jacob's icy exterior? less