Ai, known as the universally adored "Ais-san," is hired as a receptionist thanks to her youthful and charming appearance. However, she is pressured into providing sexual favors under the guise of employee benefits by a male executive, pulling her into a troubling situation. Naive and inexperienced, she is shocked by the aggressive advances of the male employees but lacks the means to resist, leaving her body completely dominated. Her innocence and purity are highlighted throughout these encounters, adding emotional depth to the story.