This Japanese visual novel delves into the unknowing secretary's descent into carnal pleasure. Trapped in her office, she's helpless as a strange force controls her movements, guiding her hand to pleasure herself. As she reaches climax, she feels a warm, unfamiliar sensation inside her. The realization sets in - she's been impregnated without her knowledge. The story unfolds with vivid detail, capturing the secretary's confusion, shame, and eventual acceptance of her new condition, all while maintaining the erotic tension of her public, uniformed predicament.