Lu Mingfei doesn't want to be a superhero

Lu Mingfei's diary:
2009/2/10 I traveled to the base of terrorists in the Middle East. There is a man here who calls himself Tony Stark, saying that we will be executed by terrorists soon!I want to go home!
2009/2/11 Great, I'm home, a peaceful world without strange things is so beautiful!
2009/4/25 I traveled back to that world again, and I seemed to keep traveling between the two worlds repeatedly. Fortunately, my world was calm and normal.
2009/5/5 I found out that there are dragons in my world. 【Crossed out swear words】
……
2012/5/20 I have a girlfriend, Erika is so cute.
……
Many years later, Lu Mingfei, who is the supreme mage, Prince Nidhogg of Asgard, the principal of Kassel Academy, the new emperor of the dragon clan, and the savior of the universe, cried with a sad face: "I really don't want to be a superhero, did I take the wrong script?" It's gone!"
This book is also called - Lu Mingfei, who returns repeatedly from Marvel.