YST-289-Uncensored-Leaked — I'm a pervert because I get so wet when my stepson treats me like a toy. - Yoshii Miki

Unexpectedly touched by her stepson, the lustful stepmother, though knowing it's wrong, finds her womb throbbing and transforms into a female in heat. Once the switch is flipped, she can no longer control her body's reactions, and continues to climax with a sense of betrayal against her husband.