His One Choice by Ellie R Hunter

Ellis may be dead, but his presence is still very much alive in Willows Peak. His ghost haunts Leo as he struggles through life without India by his side. He haunts Cas and Sparky who buried his body deep in the earth. But it’s Harper he haunts the most, and it’s the secret of his death that weighs on JJ. He has been loyal to his patch, even before he wore it, and now, with his old lady to protect, he has to balance his conscience.
The club has always recovered after death and horror and the brothers have leaned upon one another to get through the losses, but it’s not as simple this time. Suspicion hangs heavy over the club and loyalty is tested to the brink.

Guilt can kill a soul, and so could the brothers if they learn the truth.