Shiho, an office lady working at a foreign company, leads a secret double life as an AV actress, and her private activities are beginning to affect her professional world. She maintains a poised and elegant demeanor in front of her department chief, but behind closed doors, she reveals her true self as a female masochist. During her lunch break, things escalate dramatically as she writhes in ecstasy before an irrumatio scene. Her workday fantasies spiral out of control, plunging her into increasingly erotic scenarios. It's as if the office itself becomes a stage where she freely unleashes her deepest desires, abandoning workplace decorum and losing herself completely in her own pleasure. As the boundaries between work and personal life blur, Shiho's office existence transforms into something intensely erotic.