在孤儿院长大的少女“阿惠”小百合,实际上是资产家的女儿的来历。小百合在婴儿的时候被误解了,成了孤儿。对于小百合来说,真正的家里的新生活开始了。可是那个豪宅Extremely fun Daiei adaptation of two shojo horror manga into a single, crazily FX-laden story about two rival, shape-shifting sisters who are on less than good terms. However, when an evil creature makes an appearance they have to overlook their differences and join forces to battle it.