A haughty woman is covered in shame, exposes her butt cheeks and apologizes for incontinence! Sumire Kurokawa is a young president of a women's underwear manufacturer that holds 30% of the domestic market share. However, she is feared by other employees in the company for her devilish behavior that silences crying children. Horio, who was demoted to inventory due to customer complaints, is unable to contain his boiling anger and mixes a diuretic into Sumire's drink and uses a video of Sumire peeing that was taken with a hidden camera to blackmail her in a sneaky way...