It's free. The writing style is very good and very atmospheric. The emperor is a time traveler. He was relatively miserable in the early stages. It is sweet but has a sad tone. It feels like the emperor had to do something in feudal society.
The two of them are so sweet and at ease with each other. Even though they say they are being abused, I don't feel anything at all. Maybe it's because the author's description is too beautiful.