Matsumoto, who has had two lesbian experiences, admits in the opening interview that she is afraid of finger insertion. Her veteran actress partner, Hasumi, cannot hide her nervousness. Sensing Matsumoto's feelings, Hasumi gradually relaxes her. Starting with a French kiss and moving on to intense tongue action… Hasumi mercilessly inserts her tongue and fingers into the shy Matsumoto's vagina, bringing her to climax. Although Hasumi gently approaches Matsumoto, who hesitates about finger insertion, the situation develops in an unexpected direction as they learn more about each other.
