Harry Potter : An American in Hogwarts

#Not a translation #No AI assistance Reincarnated into what appeared to be a copy of Earth in the late 20th century, Tyson was already making plans to leverage his knowledge of the future, become absurdly rich, and spend the rest of his life as a laid back billionaire. Then, on his first day at his new school, he saw a skinny black-haired boy with a lightning-shaped scar on his forehead. Turns out he wasn't just in the past. ... Also crossposted on Royal Road. — Description from novelcodex.org