Hp Just Wants to Be a Passerby

If a genius boy also loves to study and read, will he become the center of attention? But if he has no great ambitions in life and only pursues a 70-point philosophy of moderation, he will only want to open a small bookstore and spend a long life. However, he woke up inexplicably and turned into a four-year-old boy in an orphanage. Then out of nowhere, I received a notice from Hogwarts on my eleventh birthday. So he determined to be passerby C (first passerby A, then passerby B, then it will be his turn), and entered Lauwenkwen in a very low-key manner. But with a soft heart (no resistance to cute things), he helped Xiaolong and Xiaoha... What will happen? (This article starts from second grade)