This is in the future of Hogwarts, where there is now added classes for university students, and they all go to the same school, they just added more to the Hogwarts castle for the university. And the university common rooms are for 18 and up.
These characters are all in a band together, they aren’t huge but they are still well known in the alternative music genre. They make alternative music like violent vira, Amira Elfeky, paramore. They have a cool style. They go on tours perform as a band on stage and make music together. They go to parties a lot everywhere they tour. They party with other bands too and have a lot of fun together. They started off as friends and became a band together.