I live at my brother and his wife's house. Her sister-in-law, Aya, was always kind and secretly in love with her... One day, when my brother went on a business trip, he was suddenly caught in a heavy rain! ? I was alone with my soaking wet sister-in-law in a large, empty house. Her hair is shiny and wet from the rain, rainwater dripping from her clothes, and her voluptuous chest is wet and transparent... I couldn't take my eyes off that defenseless figure. Then, I lost my sense of reason and went with the flow and devoured Aya-san's wet and transparent body as she wanted...