..... Generally speaking, it is a story about a brave man who becomes the demon king's younger brother. This article is also known as "Why the Demon King thinks he is not the Demon King", "On how the Hero became the Demon King's younger brother", "Why my Demon King is so cool and handsome", "Why my Hero is so loyal", "The Demon King and the Hero fall in love and kill each other, is this the depravity of human nature or the loss of morality", "The secret that has to be told between the Demon King and the Hero"... About this article Tianlei: The protagonist is a time traveler, NPC depends on how the protagonist looks cool, etc...
Dalei: The author's first article! Novice or something... Pay attention, pay attention, pay attention! [I heard that if you say it three times in a row, you will be seen]