Natsuna, who works in sales for internet lines, is timid and weak-willed. She is scolded by her boss almost every day, and although she is fed up with it, she keeps working hard. One day, she makes a small act of rebellion at a sales client, which angers her boss and forces her to do something lewd. Since then, her boss tells her, "I'll teach you the easiest way for a woman to get a contract," and makes her use her body to sell. And so Natsuna reveals her masochistic and lewd nature to her clients...