Shiori, a single mother with an incredibly voluptuous body that drives men wild with desire, is completely oblivious to her own allure and only cares about her daughter's happiness. She's always dressed casually and doesn't pay much attention to her appearance, but when her daughter tells her to dress up because she's bringing her boyfriend home, she puts on a discounted bodycon dress she found nearby. When her daughter goes out, her boyfriend arrives. Seeing Shiori's incredibly sexy attire, he becomes suspicious and can't help but get an erection...