Chuan Cheng Chunyuan: Kangxi, I Taught Your Son!

Ulanara Rouze? Man! System? Tools for seizing the heir! When she opens her eyes, she transforms into Bai Yueguang Chunyuan, who died early in "The Legend of Zhen Huan". When Yi Xiu became the strongest ally, Yi Zhen regarded him as his teacher, and Kang Xi patted him on the shoulder and said, "The power of the Qing Dynasty is half that of yours" - only then did he realize that this harem should have been replaced by men!