Demon King Ascension System - Chapter 81

Not to fall into the cycle of reincarnation within the vast world,The heart transmits the Dao among humans.Willing to wield a sword to end myriad calamities,Exchange ruthlessness for a world of emotions!

Su Wan is a Realm Destroyer. She shuttles to different time-spaces using the identity of the “Cannon Fodder Ex-Girlfriend”, dedicated to plotting how to happily tear apart the male protagonist and the female protagonist. –There’s no such thing as protagonists who can’t be torn apart, only Ex-Girlfriends who don’t work hard enough~

- Description from Novelupdates

Ten years ago, Magnolia was blamed for her sister’s death and cast out of her pack. Her Alpha father’s final words “Why did she die, but not you?” drove her into exile. She lived among humans, hiding her identity, her wolf, and her pain.Now, at twenty-eight, Magnolia learns her mate is none other than Rhett Callahan , the powerful Alpha of the strongest pack and heir to a billion-dollar empire. But instead of love, he offers her a contract: marry him for one year so he can fulfill the requirements of his inheritance.Magnolia accepts to save her parents’ home but finds herself in a loveless arrangement, mocked by the pack and haunted by the past. Then Camille returns with another woman, the one he truly loves… and it’s Magnolia ’s sister, long thought dead.As secrets explode and bonds unravel, Magnolia must decide if she can forgive the mate who rejected her or burn the past down with him in it.

Once she crossed through, she actually became the disfavored third WangFei?