I Transmigrated into a Book, So How Did I Suddenly Become a Loli?

After a bad mood brought on by his high school reunion, food delivery worker Xu Hao read a book about a little girl before bed. He was engrossed in it when sleep suddenly overtook him. When he woke up the next morning, he discovered that he had transmigrated into a book, becoming the little girl in the story, who was also a gaming streamer.