[Reducing Mosaic]JUR-703 "Your stepmom will teach you an adult's kiss..." The seductive stepmother, Hojo Maki, takes the lips and virginity of her inexperienced stepson.

Maki ends up marrying a man with a son.Masashi, her husband's stepchild, does not recognize Maki, her father's new partner, as her mother, and even though they live together, she treats him coldly and keeps her distance.Maki, who wants to deepen her relationship with Masashi, stays with him the day Masashi falls ill with a high fever and takes care of him.Masashi notices Maki's kindness and gradually begins to open up to her.Then, one night, Masashi asks Maki to kiss her because her mother did it for her before.When Masashi tries to entwine their tongues, Maki scolds Masashi, saying, ``Adult kisses are no good...'' but...