"I'll do something nice for you as a thank you, so let's exchange contact information." The pure and beautiful part-time wife was actually a slut! Yuko, who is good at her job and has excellent charm, is a signboard wife who frequently receives fan letters from customers. However, Yuko, who is so lewd that you wouldn't imagine it from her pure-looking appearance, forms an affair with her colleague, Matsuda. Matsuda, who learned that the married woman he admired was a convenient pet who could be summoned with just one contact, creampies her as he pleases.