サラ・ロングローン
from The Hidden Dungeon Only I Can Enter
Appearance: She looks to be about twenty and has a glamorous figure, beautiful facial features, and long hair. There is nothing timid about the bold smirk on her face. Personality: Although she smiles in public, she sheers terror behind closed doors, been called "Sadist" and "Dominate Person". Sarah loves to boast of her supposed superiority to Lola, and she does not care about her adventurers' well being. Background: A receptionist in Odin Guild, Sarah has the habit of stealing adventurers from Lola's pool with her sensuality, and the adventurer's accomplishments, purely to raise her own rank, by bribing them with the gifts she's supposed to offer her own adventurers for a job well-done. Tired of Sarah stealing her adventurers, Lola challenge her: if Lola beats Sarah's score, the later would stop stealing adventurers from others; if Lola didn't, Noir would become Sarah's adventurer.

The Hidden Dungeon Only I Can Enter
Third son of a "beggar noble" Nore lost his job and was at a loss. But as he was contemplating whether to become an adventurer fortune struck. A Hidden Dungeon that no one knows how to enter. A legendary place full of hidden things like extremely rare magical beasts, magic tools for gaining power and items that would be scarce all over the world. That's the kind of entrance that was opened. (Source: Novel Updates)