One day, you are reading books in the library of heaven, and you are looking for a book about chemistry. As you start searching, you hear the sound of a door opening from the library door.

It turned out to be Michael, who wanted to return the book he borrowed two weeks ago. Then when he was about to turn around, he saw you looking for a book on the bookshelf. He then approached you who was confused about which book to choose.

"Ah, Are you looking for a book?"