The sisters, who started living with their mother's new husband and stepbrother after her remarriage, turned out to be a pair of sex-crazed monster sisters in heat all year round. Living with a man, it's inevitable that their crotches would get wet and they'd get horny the moment they lock eyes with their stepfather and stepbrother in their daily lives! Even though they're family, the men's penises are perfect prey! With straightforward temptation, once they get them erect, all that's left is to let them penetrate and squeeze out every last drop! The stepfather and stepbrother have become the monster sisters' live dildos!