Burnt (Devil's Spawn MC 1) by Natasha Thomas

AS Devil’s Spawn MC’s unofficial princess, people assume Kendall Jacobs is as hard and unforgiving as the men she calls her family.

 Even after having her heart broken at eighteen years old by her best friend and the man she’s loved from the time she could walk, Kendall didn’t become resentful or jaded. Instead, she fought back by living her life to the fullest.
WORKING hard to try and convince herself that she was better off without him, Kendall has all but moved on when fate changes the course of her life, changing everything in the blink of an eye.
THERE is no doubt in Declan ‘Cage’ Mark’s mind that he made a huge mistake five years ago by marrying the mother of his daughter. But that isn’t what continues to haunt him; turning his back on the life-long friendship he built with Kendall and the way he rejected her heartfelt declaration of love is what keeps him up at night.
WATCHING as Kendall’s moves on without him has left Cage a broken man, and he knows that without the support of his club, he wouldn’t have made it through the last five years. However, there is absolutely nothing his brothers can do to save Cage from the terrifying reality that he may finally lose Kendall for good when he finds out she has been taken from him.