She swallowed.
You almost came a second time right then. Her throat steadily pulled you deeper, towards your final destination.
She moaned softly when you fell into her stomach. "Mmmh, so delicious..." Her stomach fit you quite well, but you knew that you wouldn't get to spend too much time in there. A few thuds came from outside, the Princess patting her belly, you assumed.
"Mmmh..." you heard her say, "Now, become one with the sunlight for evermore."