Lured by the high compensation, Reina accepted a special offer to become the secretary of a certain company's chairman. Her curiosity was piqued by an unknown realm she would never normally experience. However, it led to an unexpected development that betrayed her sweet expectations. What began was secret training beyond the bounds of common sense. 'Something is off...' Reina felt this way but tried to treat it as just a job. Yet, day by day, her mind and body were inexorably changing.
