I Had a Secret Marriage with a Female Ghost, and the Demon King's Wife Got Angry!

My name is Jiang He, I am 25 years old and a bank clerk. I have a wife who looks like a fairy, and we just got her birth certificate last month. I picked up a ghost coin and a paper figurine in the park... From that day on, I had nightmares every day, dreaming that I was married to a female ghost. Three days later, the evil ghost came to my door and took me in a sedan chair to marry the female ghost. ……… My name is Liu Ruyun, and I am a ghost king. After 500 years, my husband and I finally worshiped heaven and earth. My husband said that he had already married in this life and that my sister was an ordinary person. He asked me not to reveal myself in front of my sister so as not to scare her. But, my sister can actually see me? ……… My name is Hu Yuzhu, and I am a demon king of the fox clan who has been practicing for thousands of years. Thousands of years ago, I was saved by him. I want to imitate Senior White Snake and marry him to repay my kindness. But this scumbag, I only left home for half a month, and he brought a beautiful ghost home? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.