THE KNIGHTS OF GREY: The Second Life of Galen Alexander Grey

After being crushed to death by a pile of HP books, the MC finds himself in an endless expanse of white facing an ASB. Offered the chance to be transmigrated into the Potterverse with his memories intact and 10 wishes, he agrees without much hesitation. Armed with common sense, foreknowledge and some OP perks, watch as Galen Alexander Grey takes the Wizarding World by storm...