The Siège Angliche version

Season 1: The Magic Mansion.
Summary.
A few years later; After the murders at the Kiosk, the building was renamed "The Magic Manor" and continues to teach magical classes to young people. Year after year, young people left and others appeared, in the shadows, the Kiosk continued to take care of people with magical powers.
One day, Yani and Lucas learn of a disturbing piece of information: the existence of other dimensions, and it could be that the one who had locked Enzo up was a powerful enemy from another dimension. This is followed by an investigation led by Yani but which is closely monitored, because since the new director Mrs. Clot arrived, she seems to want to hide certain information at all costs and does not want to disclose it under any circumstances.
To prevent her greatest fear from happening, Yani can only train the youngsters to fight and master their new, newly acquired magical powers. New teachers, new young people and new rules.
Aurélien tries to redeem himself by fetching artifacts or magical items for the Kiosk, but each item he brings back is dutifully taken back by Mrs. Clot, and she puts them away in an unknown room.
Florian and Cassandra, on the other hand, discover secret rooms all over the house, and it could be that the house is bigger than expected.
The youngsters discover more and more secrets about the Kiosk and the mysterious headmistress Mrs. Clot, but also the information contained in some books (such as the famous information about the existence of the 5 main dimensions) that disappeared as if by magic.
What if the whole house of the Kiosk was a very old magical house?
How far will young people go to know the truth before it's too late?