At the age of 35, Katsuyuki, a virgin manager of a family restaurant, lacked self-confidence and was always helped by his part-time wife, Ayako. However, Ayako decided to retire due to circumstances at home. On the day of her farewell party, Katsuyuki accidentally took the drunk Ayako to a hotel... Concerned about the timid Katsuyuki, Ayako decided to boost his confidence by initiating him sexually. Excited by his first experience, Ayako aimed to guide Katsuyuki into becoming a real man through various acts until she left the store...
