Sabrina Shaffer

The receptionist of "The Violet Hotel" that the protagonist and Grendel are staying at.
Doesn't think much of the protagonist nor of Grendel as the latter causes Sabrina a lot of problems.

A member of a secret organisation who has been tasked with keeping an eye on Grendel and the protagonist.

Sabrina is actually junior to Autumn, but chose the receptionist role before Autumn could stop her.