In one sentence: The little thing about a fake mermaid on Eustace Kid's boat.
The heroine is not a time traveler, but is set to be a reformed person who resurrected after sleeping for a thousand years in a blank era in history, which involves a bit of the author's own speculation about the blank history.
Don't even think about Su being given access to doors and windows.
Updates are super slow, Qi Ping is so busy that he can vomit blood.
Maybe the characters will be a bit broken.