My billionaire roommate is the Demon King

The Story

Unemployed painter Emma secures a full year of rent from her attractive new roommate, who insists she never inquire about his history or open his door. Strange occurrences soon reveal him as a nine hundred year old Demon King hiding in the body of a billionaire CEO. An accident binds their souls together in an unbreakable contract, forcing the pair into a staged romance. Their fake relationship quickly generates genuine affection between them. Meanwhile, Emma uncovers that her own lineage holds secrets even more shocking than the supernatural tenant living in her apartment.