Terrified, confusion.

Tom looks over at you wide eyed. "Whats going on?" He asks.

You shake your head, not sure yourself. But the waves of pleasure that rolled through your body as the ball grew made you care very little. You roll your hips as the ball becomes larger than a small melon.

Then you feel it, something inside you twists and squirms. It is clearly its own entity and you suddenly realize what it is.

Before you can speak, another orgasm washes over your body.