AV director Takahashi Koichi, who calls himself "a married woman's soul lover," invites his wife's female friend to stay at his house with ulterior motives. There is no way that the married woman is free to spend the night alone with the two of them... Masumi, 38 years old, married for 8 years, no children, dog-store apartment. The landlord returns home right after she has finished taking a shower, and she explains the situation while hiding her front with a bath towel. After dinner, the married woman gets excited and kisses the director's tent. The caresses make her lustful, and when she sees his erection, she repeatedly exclaims "amazing" and skillfully sucks it. When he inserts it, she moans in agony. When everyone has fallen asleep, the director plays a prank on her, and she climaxes many times with an electric massager. The next morning, she plays a prank on the sleeping director, and enjoys a body-washing play in the shower. When he penetrates her deep inside, she moans louder and her breathing becomes irregular.