臼石店長 ([i]Usu-ishi Tenchou[/i], Quernstone Manager) is an original character created by [[Yagisaka Seto]] as a manager of the school store in [[Pixiv Gakuen]] project.
His original name is Gemma Agamas Boltac, but everybody calls him this nickname.
He is originally male, however his [[genderswap]] version is sometimes drawn.
He has light [[purple hair]], [[blue eyes|blue]]/[[purple eyes|purple]] [[heterochromia|heterochromatic]] eyes, a [[monocle]], hair-like [[fox ears]], [[fang]] and eight [[fox tail]]s.

h4.See also

* [[Lavolpe (yagisaka seto)]]
usuishi tenchou