I'm in the anime, I have a stand-in, and I'm still going crazy

My name is Xiao Yi, I am an ordinary person, I came to the anime world inexplicably, and got a stand inexplicably, but I thought, in the anime world, there is (probably) no danger, and there is no need to save the world, what is the use of me holding a stand? (There may be some dark history in the beginning, the writing is not very good, and it will slowly start to work hard from the end)...