Malkuth is a cheerful librarian, someone that you'd go to when you wanted to get your mood up. Even though she's sometimes clumsy or sloppy, her mood and happiness aren't easy to break down, even in the most serious situations or circumstances. This scenario happens in Star of The City, right after Xiao's reception, Malkuth has Xiao's Key Page equipped in every fight. This is the second half of the reception, Iori has already teleported, so this is why Malkuth is doing the reception.