A lot of triggers, read GR reviews if you are squeamish or sensitive
Regan
I never really knew what misery was until the day I was kidnapped and sold for being in the wrong place at the wrong time. Two months later, I'm at a brothel in Rio when I meet Daniel Hays. He says he's here to save me, but can I trust him? All I know of him are his sarcastic retorts and his tendency to solve every dispute with his gun. He's also the only safe thing in my world, and I know it's wrong to fall in love with him, but I can't seem to help myself. He says he’ll protect me until his last breath but I don’t know if I should believe him or even if I can.

Daniel
For the last eighteen months, I’ve had one goal: to find my kidnapped sister. I’ve left the Army, turned paid hit man, and have befriended criminals all across the globe. In every brothel I raid or every human trafficking truck I stop, her face is the one I’m desperate to see. In Rio, I find Regan Porter, bruised but not broken and still sane despite her weeks in hell. I should leave her behind or send her home because the last thing either of us needs is to get involved. But with every passing minute, I find I can’t let her go.

Hitman Series- Jessica Clare (and Jen Frederick)
1) ☆Last Hit (Nick Anders/Nikolai Andrushko & Daisy Miller)
2) ☆Last Breath (Daniel Hays & Regan Porter)
3) ☆Last Kiss (Vasily Petrovich & Naomi Hays)
4) Last Hope (Rafe Mendoza & Ava Samson)
Awesome! Great reads, adults only, please