Nanae Kiyomi, 38 years old. She has been experiencing a sexless marriage and, although feeling sexually frustrated, never had the courage to cheat. When aroused, she would wear low-rise panties and get excited by flashing glimpses of her buttocks—engaging in small acts of exhibitionism—then relieve herself through masturbation. However, having reached her limit, she responded to a recruitment ad found in a ladies' comic and decided to participate. Witness her unforgettable, uninhibited performance as she seeks a long-desired experience.