Ai Sayama finally teams up with Hitoshi Futamura for the first time! Dr. Sayama, a beautiful female doctor with big breasts, is once again completely naked in her white coat, spreading her legs wide to seduce her patients. Even during the examination, she passionately kisses them while in a crab-like position, and presses her huge breasts and ass against their faces. She is a busty masochist whose body can only feel pleasure when it's not in a crab-like position. The reason she developed this fetish is because, as a new doctor (and virgin), she was trained in a crab-like position by a patient with a limited life expectancy. After losing her virginity there, Dr. Sayama spends night after night sucking on her patients' dicks while in a crab-like position...