Rebuilding, I Reincarnated into My Own Novel

No system + daily life + deconstruct yourself. Whenever I want to do something, accidents always come before changes: after handing the manuscript to the editor, I die, reincarnated into the novel I wrote, and become the protagonist of my own novel. I wrote about the theme of cultivating immortals, but I didn't understand it at all. I had never read fantasy and just followed the trend, and I didn't finish writing it. So I directly changed the direction of the story and chose to start the chapter by marrying into a rich family's daughter, and living a life of free food from then on... How strange! I found that my novels were mixed with other people's works and my other works. The original supporting role became the protagonist, and the original protagonist appeared early. Moreover, soft rice is not delicious. In the end, I embarked on the path of becoming a disciple and seeking Taoism. Only when I got to the mountain did I realize that the senior sister I was supposed to meet in the sect's martial arts competition had become my master. The cave where the secret treasure and the mysterious senior were hidden had long ago collapsed. The villain who had not written it out without thinking about it suddenly appeared and gave me a... Magic pistol?