After a mismatched ghost marriage, I formed a revenge partner with the ghost groom.
At the beginning of the story, he asked me to be his "common bone".
His spine grew like crazy against my back. I finally knew what "shared bones" meant -
The two souls are supported by my weak bones and blood.
Only every night, when the moonlight spreads over the crenellations of the city wall, can his remnant soul solidify for a short time, and we can be separated for a short time.
At the end of the story, he said: "I gave Yama, the Tenth Palace, a thousand-year sentence on credit in exchange for your eternal peace."
Intention: I will be your sharp knife