Hyakki

**Occupation:** Spy
**Affiliation:** Lamplight
**Skills:** She is good at stealing and is the most athletic member of the team.

Sibylla is one of the main protagonists in the Spy Classroom series. She was born into a gangster family, and she and her younger siblings were forced to help in gang activities. She has a strong sense of justice and wanted to be a spy to protect her younger siblings.