A new sexual observer is assigned to the huge correctional facility ``Deal Saver Keep Barrier”, commonly known as ``Dirty Slut”, which houses people with abnormal sexual desires and abilities.
She was a pseudosexual observer who had her lover’s sexual desire taken away by the facility, and underwent an experiment to change her sex in order to get revenge.
Control the supernatural beings trapped in the facility, make them fall into darkness, use them as pawns, and uncover the secrets of the facility…​

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