Marry a Ghost Wife and Extend Your Life. I Am the King of Hell.

When I was born, I was born with a canopy covering my head, which was an auspicious sign. But grandpa calculated with his fingers and discovered that I was actually a natural disaster and destined not to live past the age of three. In order to extend my life, my grandfather, who had an excellent reputation, did an extremely unethical thing. He sealed a girl who died violently into a soul-locking coffin and made her soul suffer the pain of being sacrificed to protect me from death. Even more, I attached my birth date to the scarecrow and buried it with him to form a dark contract. After turning 18, this is the day when grandpa returns. The ghost wife came knocking on the door, asking to consummate the marriage with me, and demanding my life...