To know if how long the story would go and what to expect next, you have to know what are you actually going to see in advance.
Yes, these might have spoilers but I'll promise to keep it less spoilers.
•Arcs,How long will this story be? -
There's gonna be a total of eleven (11) Arcs,with the final arc that will be longer than any arcs you'll see in the future, and also including the four (4) extra chapters to conclude the story.
•Characters,Is there more characters to know? -
Yes!, there's more characters to be introduced and they will have different roles and impact to the story.
•Plot, is the story only focused on the main character improvements?-
No, and yes, but there's something else besides the main character and the side characters school life.
•Enemies/Antagonist, is there going to be enemies inside and outside of the academy?-
Yes, there's enemy that will challenge the characters, resulting in victories or failures.
There's enemy either in and out of the academy.
•World expansion, Is the setting only focused on one place (Academy)?,
No, there's more than just the academy, they are,(e.g..,Several kingdoms---Arden, Flamma, Wasserstadt----are in the continent of Eurys.)
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