"Mother-in-law will tell you about Otona's rapture." ■Toyomitsu's mother-in-law, Yumi Kazama, who takes away the lips and virginity of her first-time husband

Yumi married a man with her son. Ryota, his husband's child, was in love with her father's remarriage partner Yumi from the very first glance. Ryota takes a distance from Yumi after starting to be conscious of the opposite sex. Yumi who wants to deepen his relationship with Ryota takes care of the people around him. Yoshita of Dotei can't stand Yumi's color incense, and he comforts himself so as to lick Yumi's underwear. Yumi who witnesses the sight in an excited state while being surprised. And Yumi said with a gentle voice to Yoshita, "Would you like to know about adult sex?" he said...