A husband returning home after a three-month business trip has his way with his sexually frustrated wife, and their son is immediately impregnated in a high-speed, double-penetration riding position. (Morisawa Kana, VENX-260)

Her husband returned from a business trip for the first time in three months. Kana, waiting for his return, was on the verge of exploding with unfulfilled desire. Her husband, exhausted from the long journey, had fallen asleep under the blanket, and Kana immediately thrust into him! (Oh...it feels better than usual...) Kana, even more satisfied with his harder-than-usual penis, arched her back repeatedly, experiencing repeated orgasms. Then, as she rolled onto the blanket to kiss him...she discovered that it was her son lying there...