Shen Chen traveled through time and space into a fantasy world full of two-dimensional atmosphere. This world has no physics and mathematics. It is a world composed of magic and elements that interact with each other, and then...
"This is the world that belongs to me!" Shen Zhai, Addicted to the Second Dimension, Chen laughed wildly, and then plunged into the sea of books, "I love learning, learning makes me happy!"