"Wait... I'm supposed to be a stand-in AV model? I never agreed to this..." The married woman, initially refusing to speak, reluctantly agrees to appear as a faceless extra. But on the shoot day, the main actress suddenly cancels at the last minute—leaving her thrust into the lead role unexpectedly. Forced into the position without time to comprehend what's happening, she exposes her naked body on camera for the first time, writhing as she takes another man's cock. Captured moment by moment, her body tenses with each advance, overwhelmed by fear and anxiety.