C622 Luan Huang Huang
"Lee Shizhen's Handwritten Letter" had a special technique in it. When Yin and Yang are cultivated in reverse, the Yin Meridians will surface slightly and the Yin Qi in the body will gradually increase.
Then the man would also gradually become feminine. This was compatible with the Aoi Bao Dian, but there was no such thing as a reversal of Yin and Yang inside the Aoi Bao Dian.
Therefore