Son's Yuuta was pressing her, causing Saki to be confused. Yuuta had been aroused by watching Saki masturbate. If you're lonely, let me comfort you, he said. It shouldn't have been allowed. As a mother, Saki tried to stop Yuuta's outburst. However, due to her extreme sexual frustration, her body responded to his passionate caresses... Was it mother's reason? Or woman's instinct? Saki's heart wavered between the two.

「なにすんの！」息子の雄太に迫られて沙季は戸惑っていた。雄太は沙季のオナニーを覗き見て興奮状態に。淋しいなら僕が慰めてあげると言い出した。そんなことが許されるはずがない。沙季は母親として雄太の暴走を止めようとする。だが極度の欲求不満に陥っている肉体は熱い愛撫に反応してしまい…。母の理性か。女の本能か。二つの間で沙季の心は揺れ動く。