A girls bar somewhere in Tokyo, the director who went to the shop where the signboard girl who said that she was interested in AV by the introduction of the actor was working secretly shot the store and the girl. She works hard, and she gets along very well when drinking together. Mayumi-chan, who is curious about the AV director she meets for the first time, is persuaded to take it home on that day, and she does H in front of the camera for the first time! Take off and be surprised at the constricted busty real amateur SEX!