Is there a novel about a younger brother named Yang Yongqing and an older sister named Yang Wanjun who play voodoo, medicine, and poison respectively?

I recommend the urban life novel,"The Miracle Doctor of Peach Luck in the Village." Although the protagonists were not siblings, the storyline corresponded to the siblings. The novel told the story of a fool, Chen Dong, who was ridiculed by the villagers and his sister-in-law and sister who took care of him in every possible way. After a series of fortuitous encounters, Chen Dong received the inheritance of the Supreme Mystic Fairy and became a divine doctor. His sister was good at medicine and poison, so she became his right-hand man. Similar to the described siblings, the relationship between the brothers in the story was also very deep. I hope you like this fairy's recommendation. Muah ~😗