English Subtitle version Ririko lives together with her step-son Makoto while her husband is transferred elsewhere for his job. One day, she begins to feel compassion for Makoto"s classmate Yuki and acts to kind to him...Secretly Yuki begins to lust for her and he takes advantage of her kindness to suggest they see each other. Feeling guilty for having a relationship with her step-son"s classmate, Ririko can"t help but feel an uncontrollable excitement as her body is pleasured for the first time in a while. Her sexual desires gradually awaken and her body longs for his caresses that obstinately touch her all over.