Hollywood: The Greatest Showman - Chapter 280: Red across the board

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

Yi Jiamu was a patient with the ‘Ability Deficiency Disorder’ and he inadvertently attracted Gu Yesheng’s attention.

Ila, who had served the Empire for half his life, was decisively betrayed. He wanted to go to another country, but was almost killed on the run and then saved by the Dragon Lady Demon King.After crossing over, Ila, who had killed demons for half his life, was a bit scared, but...“Those who struggle with the evil dragon should be careful not to become the husband of the dragon...”“When you stare at the abyss, the abyss... offers a kiss.”Ila Elkaras was very confused.But the reality he encountered forced him to examine whether the abyss stood in the demonic world or... “The Empire of Light and Justice”