Yeah, he has some experience with having too much power for others' comfort.
No need to worry about not being good at the classes in the beginning. If you're new to a school, chances are they've learned different things from you, even if it's supposed to be the same for everyone. Different speeds, different orders, different prioritisations, etc.
Drills is a good girl. Explains what's wrong in direct and simple terms.
Eraso's not bad at all, either.
Good security.
I think his honesty is better than her wanting to hide it.
They can even value her smile. They're good people.
This is a chapter with good people all around. Good change since that lousy king.