Voldemort, Don't Run! I'm a Real Death Eater

Adam, who traveled to the world of Harry Potter, got the system, He got the unlocking spell at full level at the beginning, Become the famous financial master in Knockturn Alley, Help customers save their belongings even though customers disagree, It also has property value-added services, which is worth more than anything else when used on Adam! "I will repay society in the future!" Adam also has a magic modifier, which can continuously demonize and transform magic. "What should I do! I just wanted to open the lock of the vault, but I blew up Gringotts!!" "Oolong comes out of the hole~" "Why does your Oolong have horns on its head?? It can also fly?!" He accidentally used the Dark Mark, and even Voldemort was summoned! Now his identity as a Death Eater was unmistakable. Voldemort, if you don't believe that I am a Death Eater, then I will show you the Dark Mark to see whose Dark Mark is more like a Death Eater! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.