Tour Guide Girl

The Tour Guide Girl (ツアーガイドの少女) is an unnamed woman who acts as a tour guide in London and is a messenger for Necessarius.

Background
Not much is known about her other than that she has a job and a limited knowledge of the Magic world, when she is on the job she acts somewhat serious as she has no magical ability.

Toaru Majutsu no Index: Kanzaki SS
She spends most of the time in Kanzaki SS being a messenger and supporter for small tasks.