Hogwarts: I'm Really Not a Seer

What do you do when you write Harry Potter in the Harry Potter world, then receive a letter of admission from Hogwarts?

Is there any hope? Asking online! Urgent!

After transmigrating into the Harry Potter world, Carl awakened the "Contribute to Building a Better World System." As long as he made a contribution, he would receive a reward.

Dumbledore: "At first, I thought he was a prophet. Later, I realized this guy was a menace!"

Voldemort: "You all say I'm the most evil Dark Lord, but that's because you don't know what Carl is really like! I'm wronged! I'm innocent!"

Hermione: "The wizarding population is dangerously low, Carl! It's time for you to do your part! Start trying for a baby today!"

Carl: "A new era is here! I've made an outstanding contribution to the magical world because... I've been caught!"

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.