History is made at night. Deciphering Chinese History from the "Harem" "Harem: From the Shang to the Tang Dynasty and the Ten Kingdoms" and "From the Song Dynasty to the End of the Qing Dynasty" (Book Guide for Gamers: No. 52)

History is made at night. Deciphering Chinese History from the "Harem" "Harem: From the Shang to the Tang Dynasty and the Ten Kingdoms" and "From the Song Dynasty to the End of the Qing Dynasty" (Book Guide for Gamers: No. 52)
 Recently, the Chinese-style harem is doing well. Two to three new books are lined up on the shelves of bookstores every month, and even an anthology of newly written Chinese fantasy appears, showing the excitement of the genre. But what exactly was a "harem"? This time, I will introduce introductory books for such people, "From the Harem Yin to the Tang Dynasty, the Five Dynasties and Ten Kingdoms" and "From the Song to the End of the Qing Dynasty"....

The linked article is in Japanese.