A portal opens!

The naked sisters both sat up in their respective rooms as they heard a strange sound. It sounded like a rip echoing through the house, but distorted and otherworldly. Then they heard whirring, and the sound of wind. The sound grew louder and louder. Both Vanessa and Lauren felt growing fear, not sure what was happening outside their rooms.

Then, at the same moment both Vanessa's bedroom door and the bathroom door flew open. The sister's gap as they saw the source of the sound- in the hall of their normal, suburban house, was a swirling mas of energy, a vortex sucking the air from the hallway. Paper and small objects swirled down the vortex, sucked into it's maw of crackling energy.

The sister's screamed, totally amazed and shocked. Then that shock began to turn to fear as they felt the same energy pulling them towards the vortex. Vanessa gasped as she felt herself sliding down the bed, towards the mysterious portal. The same was happening to Lauren. She slipped helplessly along the smooth bathtub, feeling herself pulled towards this mysterious sight.

Suddenly the pulling grew stronger. Vanessa gasped as she slid from the bed, being pulled into the air. Her naked legs kicked, her arms grasping for something, anything to hold onto. She caught the bed post for a moment, but was unable to keep her grip as she flew into the air towards the portal.

In the bathroom Lauren felt the same pulling, as she was yanked from the bathtub, dripping wet and bare as a newborn. Both sisters screamed and flailed their naked limbs as they were each sucked into the portal, which immediately disappeared without a trace behind them!