Ayako, who lives with her son, has not had any contact with a man for a long time and feels lonely both physically and Kokoro. At that time, her son's friends come to stay. The friend witnesses Ayako masturbating alone and threatens to tell his son, and rapes Ayako. Another friend hears and joins in, escalating the obscene demands on Ayako! Although Kokoro refuses, her body climaxes violently from the hot stimulation...