Hogwarts Card System

Ted was reborn in London in 1991, and he had dreamed of becoming a millionaire, but a letter came from Hogwarts! I thought that relying on the card system and monthly knowledge of other worlds, I would not be the second greatest white wizard of this century. In the end, you told me that there have been two confluences of stars in this world, and now it is full of magical animals and plants from other worlds, as well as intelligent races! What’s even more outrageous is that the savior has changed into Neville! Harry became Harley! Nanadi, play Yindi with me, right? Then no one wants to live~ System Upgrade! - Description from novelcodex.org