ソフィーヤ・シコレンコ

She is the chief warden of the "obscenity section" where the protagonist is imprisoned. She is a tall, beautiful blonde woman whose nickname is "Sofurin"(Ethics Organization of Computer Software).
She respects discipline and orders absolute obedience to what she says, and has no mercy for those who violate her orders.
At the same time, she considers all prisoners to be scum and treats them with the eyes of a dead fish.