Looking for Stories About a Scumbag Who Transmigrates to a Feudal Matriarchal World, Tries to Fight for Power in the Harem, and Has a Miserable Time

I’ve been rewatching Empresses in the Palace lately. When the Emperor said he wanted to make Huanbi a concubine because she was close to Zhen Huan, it made my skin crawl. Are there any novels that give scumbag men what they deserve? Ideally in a fictional world with an equal male-to-female ratio and birth rate.