A mature woman escorts a virgin boy. A pen-oroshi (first time sex) documentary that gets close to the scene where she guides him to his dream first experience, fully utilizing her mature body. This time, Rieko Masaki, who debuted in a first-time married woman documentary last summer and has since become a popular mature woman, appears. A virgin who is very interested in women's bodies and a mature woman with half a year of AV experience. What kind of chemical reaction will occur when the two with excessive sexual desire collide? Please see the whole story.