Start with a Pen and It Can Evolve Infinitely

Due to an accident, Wen Yun traveled to another world. When he was six years old, the people of Xiaocang City called him a child prodigy. When he awakened at the age of fifteen, the source of his body turned out to be a "magic pen", which disappointed many people, and some even ridiculed and belittled him. Until he knew that the magic pen could evolve infinitely. From a remote town, all the way to the top.