I Married the Ghost Queen

The down-and-out office worker, after getting drunk one time, accidentally stumbled into a mass grave and disturbed a demon queen who had been there for a hundred years. Due to a series of misunderstandings, they ended up in a marriage. The man and the demon kept tugging at each other in life, and his life became colorful because of her. Just when everything was looking up, he fell into a conspiracy involving several human lives.