Due to unfulfilled desires, Mari (Kuroki Mari) ended up seducing her own son. From that day on, she could no longer be an ordinary mother. She knows the relationship is insane. But her son's cock is incomparably sturdy and magnificent compared to her husband's... Mari couldn't stop her escalating desires. And finally, right after ejaculating inside her, she clung to her son and screamed 'Keep going like this!' Begging her own son for continuous non-stop internal ejaculations.
