People at Hogwarts, Professor Black and White

Atlas Burke, a pure-blood descendant of the Holy Twenty-Eight Races, was born in Slytherin and was given the Dark Mark. Once, he was the sharpest knife among the Death Eaters; now, he is the new History of Magic professor at Hogwarts. Inside the school, he stood on the podium and told the children the history of two generations of Dark Lords; outside the school, he was one of the few remaining symbols in the remnant circle, guiding the way forward for the dark wizards of the past. Dumbledore guarded him, Voldemort watched him, Snape stared at him, and McGonagall tolerated him. Is it right? Is it evil? Everyone in the world can only understand his side from their own perspective. Only Nymphadora Tonks, standing with him, can see the deepest part of him. He just wants some people to pay the due price, record the history he has witnessed with his own eyes, and never let anyone die because of him. But both black and white seemed to be waiting for him to become the boss. Three years after another, the undercover agent became the boss. He really didn't think about it, but there were some roads that he had to walk and some people that he had to protect.