Stories of Progeny, traveling through worlds SoPTtW

Seems like the time has come for another party to begin. Let's hope this one will be a success. World - Potterian. Person - random.
***
Met truck-kun. Obviously died. Nobody survives after fateful meeting with him.
Afterwards, I was reborn in the different world with the system from my favorite game! However, there was a catch - I had negligible amount of knowledge about this universe.
***
I open my eyes and see [You were caught during unauthorized entrance into a magic academy!]
"Oh cmon... System, do you really need do this every time? Now... what will I do?"
[Pick a race]
"..."