Fated for the Alien Fighter by Vera Raye

She has a dangerous secret. He won’t stop until he uncovers it—and claims her.

Leah: Life sucks. The last thing Leah wants to do is fly to an alien planet and hook up with a mysterious warrior, no matter how hot everyone says he is. But to save her beloved Nana’s life, she’ll do what she has to. Even betray Taryn, the powerful alien she’s falling in love with, the only one who makes her feel alive.
Taryn: He keeps his friends close and his enemies unaware he’s tricked them—the only way a powerful alien with his torturous past can survive. Until he meets Leah, a female with her own dangerous agenda. She’s his soulmate. The one who makes him burn and feel for the very first time. All he has to do is discover her secrets—and convince her she’s his fated bride.