A capable office lady awakens to masochistic tendencies and becomes the president's personal sex toy secretary. (Kuroki Reina PJAM-029)

Lured by the high salary, Rena received a special invitation from a company to serve as the chairman's secretary. This unknown field, one I would never normally experience, piqued my curiosity. However, things took an unexpected turn, dashing my hopes. It started as a secret training plan that defied common sense. "Something's not right..." Rena had this feeling, but she tried to accept it as part of her job. However, as time went on, her mind and body inevitably began to change.