She doesn't suspect anything until too late

Grinning to myself, I stepped around the side of the bed and sat myself down on the edge of it. The young woman twisted her head as I sat, her expression revealing no surprise or puzzlement - I took this to mean my copy of her mother's shape was pretty convincing!

"What is it mom?" She queried, as I smiled down at her. My hand reached out to stroke her hair, enjoying the soft feel of it beneath my fingers. She rolled slightly further on to her side, confusion starting to appear as I didn't answer.

"Er... mom... are you okay?"

My patience with stroking her hair ran out and I placed a finger on her lips momentarily. Even as I removed my finger I was leaning down, my new full lips pressing into hers. Shock flashed in her eye's and she began to struggle away from me, but my hand were ready, seizing her upper arms and pressing her down. As she tried to pull her lips away and draw air to shout or scream, my tongue shifted and lunged, forcing deep into her mouth and grabbing her tongue.

As she let out a muffled squeal, I quickly sprouted two tentacles which went to work forcing their way into the bottom of her tightly fitting top,