Madam, Please Don't Mess Around, My Yang Energy Is Too Weak

Nan Qingfei, the time traveler who came out of the cell door, did not complain about his poor skills in reincarnation, but he gradually found that his weak shoulders seemed to bear more and more burdens. It is his duty to protect beautiful maids, and it is his duty to defend the dignity of ugly wives. There is nothing wrong with protecting his father-in-law, Duke Yi, and his family behind his back. But why did troublesome things like regaining the glory of the Yan family, the number one martial arts clan in Luobei, and being the leader of the largest martial arts sect in Luobei come to him? What's even worse is that he secretly practiced martial arts and unknowingly became the number one in the world. He was famous for his reputation, but Nan Qingfei really wanted to keep a low profile. But just because he wants to keep a low profile is no reason for you to bully him...