Yuka lives with her retired father-in-law, Toru, at her husband Tadashi's parents' home. - Yuka and Toru, who work part-time while doing housework, wake up early and are active at 6am every morning. - Tadashi wakes up at 7am. - During that hour, Tooru secretly looked forward to watching Yuuka. - However, Toru's desire grew and one day he raped Yuuka and poured his thick semen deep into her vagina. - From then on, Yuuka was creampied by Tooru in the short time it took for Tadashi to wake up every morning, and she gradually woke up to pleasure...