My wife is super fierce (fast time travel)

In this life, she was dressed as the "son" brother of a family in the capital.In order to hide her identity as a woman, she doesn't pinch her head, don't read books, practice martial arts, and don't get any fame... She originally hoped to live a peaceful life, but who knows, people are sitting at home, and the pot (wife) comes from the sky. [World 2: Waste wood martial arts leader x demon leader] (changed) In this life, she is dressed as the second generation of martial arts who is well-known in the world, but God knows...