Gaku, who was working as a magazine editor in Tokyo, was worried that his work was not going well. At that time, my father suddenly called me to return home. There she was introduced to her father's remarriage partner and former teacher, Rina. Gaku, who felt confused and resentful by the fact that she became a mother-in-law, who was also a longing woman, ignited a fire in her jealousy. - She couldn't suppress her desire and crossed the line. Since then, Manabu has been spoiled by her kindness and has had a relationship with her many times.