In the reading order, my personal suggestion is to read the records of the Civil Affairs Bureau first, and then pass them on after reading them, and then the other two books will be irrelevant.
No emotional line, clean, not only no opposite sex emotional line, but also no same sex emotional line (is it serious to push the love order? Isn't gay love called love? ), although they are all flesh and blood people, but in the emotional part, the author handled it skillfully, only enriching the role.