HUNTA-527 Thanks to my stepsister, I can do perverted things every day. My stepbrother, who became a hikikomori and had to live together with her due to his parents' remarriage, is a sex monster! He masturbates endlessly every day. Seeing this, my stepsis

After his parents remarried, the shut-in stepbrother turned out to be a sex monster! He jerks off every day and even rummages through his stepsister's underwear. Seeing this, the stepsister fears she might be assaulted one day, so she offers her visiting friends and teachers drinks laced with sleeping pills, puts them to sleep, and substitutes herself for her stepbrother, trying to release his sexual desires! He assaults the sleeping women with non-stop continuous penetration, making them feel extreme pleasure whether they are asleep or awake! The stepsister is relieved, but one day she ends up alone with her stepbrother…