Chisato, a married woman who spent a lonely night alone at a certain bar. She is picked up by a black man who happens to be there and enjoys her one night love. At a later date, Chisato, who broke up with her husband, visited the same bar again. Then there was the black man from last time and two more black people. She doesn't realize it Chisato is served alcohol with an aphrodisiac, but she drank it and she became unconscious.
