MIAA-493 [Uncensored Leaked] Wanting some DNA from her son, Yumika Saeki, on a midsummer night when her father is asleep, she targets his dangerous day for a sweaty baby-making night out.

Yumika has a kind husband and stepson. She wants to have a child soon, but the sexless relationship continues for days. One day, while she is feeling frustrated, she sees her stepson's huge cock and becomes aroused... In the evening, after her husband has gone to sleep, she begs for some sweaty, raw creampie sex as a way to practice making a baby. "You and my dad share the same DNA, so no one will find out if we have a child." She knows it's wrong, but... her sexual desire is uncontrollable! They exchange bodily fluids and semen, and cum inside each other over and over again! She has forbidden sex with her stepson to make a baby, but can't tell her husband about it.