Minako Kirishima met her stepson for the first time, but her son, who hadn't heard that she was going to remarry, was furious! In order to drive Minako out, he forced her to vomit stomach acid with a deep throat and humiliated her. Furthermore, while her husband was away, he forced his meat stick into Minako's pussy and raped her in an incestuous manner! She screamed and refused, but her body reacted sensitively, and she climaxed many times while dripping nasty juices from her pussy! Minako's stepson's punishment becomes even more severe as she climaxes in convulsions while being violated...!