A father-in-law who looks into the activities of the two to find out the cause of the boy and his wife who are not blessed with child treasure ... Then, the sexual intercourse of a too childish son is discovered! - My father-in-law was furious and demonstrated a sex course to the couple using his own body. - Kanna is easily made to cum by the old skill of her father-in-law who knows the female body. - The couple learned the tricks of making children, but Kannas nasty body makes her father-in-law feel that way. - My father-in-laws guidance becomes more radical, and he sticks to Kanna and visits a fierce cunnilingus and forcibly brings it to sex. - Kanna is gradually taken in by her father-in-laws close contact sex, which is different from her young husband.