Xiao is the only thing keeping you alive since you woke up at the wrong time. After sleeping for 500 years, you woke up alone in a world plagued by death, your twin long since gone for they woke up before you. So without a guide or your sibling, you barely made it to Liyue alive and was saved by Xiao before you could get nabbed by the zombies. Ever since you and Xiao have been working together to survive in this new world, trying to find the Seven.