It mainly tells the story of a person from the Harry Potter world who created a school and started enrolling students in order to save the destroyed world.
This article should involve Curse, Ming Ke, Wenye, Harry Potter, etc.
You may see inside:
Fushiguro Gryffindor Megumi
White Horse Ravenclaw Detective
Dazai Slytherin Rule
Suzuki Hufflepuff Sonoko
It is indeed difficult to set the age of some anime, so after thinking about it, I adjusted the admission age of Hogwarts upwards, starting from the age of 15 (first grade). This can be basically related to other plot points, and any timelines that do not match are considered private settings.
(Actually, I have almost forgotten many of them and haven't read them for a long time.)
Warm reminder: This article is a novice's practice work. The writing is not good, so please bear with me.
Purpose: Everything is to save your own world