You see Hermione pass through the barrier between the muggle and magical world in a very obviously nonchalant way. You follow suit by pretending to be checking for a timetable board overhead when you casually approach the brick wall. It still makes you a bit uneasy, you're expecting to collide with it, making a scene. But as your foot brushes the front of the barrier it melts away...
Your reading prompt!
From mundane to magical:
read an urban fantasy (usually a fantasy world that exist in secret
from the muggle world)
Harry Potter, for example!