Well, the copywriter is incompetent. Basically, it's the story of Xiao Gong still pestering Xiao Shou after his death, and finally being together with Xiao Shou.
Because I really like Emperor's "Ghost Story", I may feel some plot similarities when reading it, but I will try my best to write it without any similarities.
Asakawa Akihan died, Shinichi felt a little regretful. However, these regrets disappeared with the passage of time. But with the disappearance of the princess and Nanyuan's increasingly strange behavior, Shinichi had to face the death of Asakawa Akihan.
A seemingly normal death leads to a series of secrets, and Shinichi begins to be afraid. But a diary from ten years ago made Shinichi determined to continue to unlock this secret.
However, the secret is...