Beautiful mother Sayaka lives with her son Takashi. Although they have happy days together, she feels lonely because her husband has been away on an overseas assignment for a long time and they haven't seen each other in ages. One day, Ken, Takashi's childhood friend, visited their home to watch a popular romance drama. Suddenly, Sayaka was kissed by Ken. Despite herself, Sayaka felt her heart pounding uncontrollably. Afterwards, when Ken pressed her again, Sayaka accepted another kiss and found herself becoming addicted to the pleasure...
