The Rebirth of the Siheyuan by Xu Damao

Xu Damao, a young immortal cultivator in later generations, went crazy when he broke through. His soul traveled to the world of the courtyard house in parallel time and space. Moreover, he traveled through the body of Xu Damao, who was evil to others, disliked dogs, harmed others to the detriment of himself, and was a girl terminator. Let's see how he lived in the turbulent 1960s... (The timeline, characters' ages, and jobs may have changed, so please forgive me!)