A mature woman gives devoted support to a virgin. This highly popular documentary shows her gently and erotically guiding him towards his dream first experience. This time, the beautiful actress Aika Nagano makes an appearance. The virgin's partner is Nagano, who is also having her first experience, and the virgin has no idea how to handle a woman's body. These two people, who normally don't have contact with each other, rely Kokoro on their lewd desires as they grope around in a fierce physical battle. Will the virgin's dream first experience be achieved without any problems?