The protagonist's name is Yue Ming. Born into a family that protects the land
Later he traveled through time
There is a system that likes to fight with him (actually it is a person)
"It was destined by God that we met. Can't you tolerate me?"
"Get up and thank you."
K/Tutor/Demon Slayer/APH's National Fantasy... Is a hodgepodge
The original article was written by me when I was in sixth grade. Now that I am almost in high school, I think I have grown up and want to revise my article. (Of course I didn't want to change it, just let it happen)