Reincarnated Ro Be His Luna

While attempting to rescue Alpha William but witnessing his brutal murder by an unknown assailant, Isabella, a wizard, met her demise at the jaws of a werewolf only to find herself reincarnated a year earlier.
With a lifelong devotion to William, she was resolute in her mission to rescue him in this iteration of life, but the antagonists lurked in the shadows, their identities concealed.
Can she succeed in preserving both William and herself in this reincarnation, or will she find herself the primary target of the enemy's ire due to the profound alterations in the unfolding events of this fresh existence?