The Sword Immortal was My Ex-Boyfriend

Novel Summary
Su Qingyi, a Fu Xiu, was the victim of a false accusation. She died. Then, she was reborn.
She acquired a task of “Assisting the Sword Immortal Jing Yan to become a God”
She assisted and kept assisting until she abruptly discovered—
Hey, this Male God Sword Immortal in this Cultivation World seemed to be her ex-boyfriend from the 21st Century?
Moreover, it was her ex who was beaten by her, given a green hat by her… and the one whom she embarrassed by paying someone to hang big-character posters to shame him in public…
– Description from Novelupdates