My God, the Emperor's Knight, Has Become a Demon in the World of the King of Time.

In his previous life, Bai Chen was an imperial knight. After unlocking the 21st form of the God Lord, he was instantly killed by the Demon King with one move. After rebirth, Bai Chen brought the Imperial Cavalry Drive to the parallel world of King of Time. In this timeline, the future King of Time is not named Tokiwa Shougo, but Baichen! In this life, Bai Chen is determined to become the strongest devil, and then cross the timeline and return to the original world to take revenge. So... An unprecedentedly powerful demon king was born! Gates: "Such a king is so desperate!" Tsukuyomi: "Lord Bai Chen, as long as you don't dislike me, I am willing to follow you forever!" Aura: "Lord Bai Chen, I wore your favorite black stocking today..." Woz: "Celebrate! The supreme and powerful King of Time, who holds time and space in his hands, knows the past and present, is born!" … Someday. Bai Chen, who became a demon, tore through the void, crossed time, and returned to the original timeline. Bai Chen: "Tokiwa Shougo, I'm here to kill you!" There can only be one devil in this world...