Yuka has been married for three years and her husband is so busy that they don't have sex. One day, on her way home from work, a sudden heavy rain causes public transportation to stop. Yuka returns to her workplace soaking wet and ends up alone with Suzuki, a student working part-time. They are both confused, but Suzuki is excited by Yuka's wet and see-through figure and she goes along with it to satisfy her sexual desire...