A valuable top-secret video collection in which prestigious Chinese women such as married women in their 60s to 20s participate in and record marital exchanges and that dance wildly. If you look around the world, since ancient times, the privileged class has always been tired of money and fame, planning secret sexual ceremonies, and only selected men and women are participating, indulging in marital exchanges and, and deepening the bonds of brotherhood and sisterhood. Even here in Japan, the of the prestigious Chinese tribe that continue to this day, and the feasts of the marital exchange ceremony are being held in secret.