Harry Potter: Hogwarts Fun Man

To be precise, it is a time-travel story for a junior high school student who has only watched a little bit of Harry Potter. Why did Dumbledore go to the toilet so often... Why did Professor McGonagall lose her temper in class... Why did Snape regain his second youth... Why is Voldemort crying with grief and anger... Hello, I am a netizen from the East in Eurasia. I hope we can get along happily. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.