While I don't appreciate that black rat taking my books, I'm pretty much used to it, but...That idiot carelessly went so deep inside...?The sealed grimoire!?
Kirisame Marisa
according to
Patchouli Knowledge
When I heard she'd taken that book—What happened to the concealment spell?
It should've been hidden from sight and cognition alike...Well...
I had a feeling this was coming.The concealment was active, but...
Her magical power may have been enhanced by an elixir or catalyst or something.