Ruka and Reiko spend some quality time with a local mom friend. The mom friend casually mentions, 'Dragon's dick is about the size of an old phone receiver,' piquing the interest of the two. Furthermore, the mom friend needs to go back to her parents' house and is troubled about leaving Dragon at home. The two of them just wanted to see Ryuichi's huge dick, so in times of trouble they help each other out and agreed to take care of him for a week. A few days later, the day finally arrived. From that day on, a week of non-stop dirty sex began...
