Beautiful mother, Ayaha, lives with her son. She has been feeling lonely because her husband is on a long-term overseas assignment and they haven't seen each other for a long time. One day, her son's best friend, Yuichi, came over to observe the stars. Yuichi, who has had feelings for Ayaha since they were young, suddenly kissed her lips. Despite herself, Ayaha felt her heart pounding uncontrollably. Later, pressed by Yuichi again, Ayaha had her lips stolen once more, and the repressed infidelity desire ignited...
