Immortal Lord Failed to Cross the Tribulation and Became My Roommate

A fearful female social animal unexpectedly takes in the arrogant and old-fashioned immortal king who has lost all his spiritual power due to a failed tribulation. The two went from fighting each other to redemption, and finally joined hands to fight against the pursuit of heaven. Only then did she realize that her ordinary life was the only "tribulation" and "destiny" on his thousand-year journey to immortality.