Ashido and Takeshi meet Yoshiko, a beautiful woman in Japanese clothes, on a train in the suburbs. Meiko was a little drunk and had an indescribable sex appeal. The two get close to Yoshiko. At that moment, there was an announcement announcing the stop, and Yoshiko came to her senses and hurriedly stood up. Michio and Takeshi follow her and somehow manage to locate the apartment where Yoshiko lives. After Miko hastily put the chain on her front door, she suddenly notices a tingling sensation in her lower body...