You continue to have sex with her and there are the usual screams of pleasures and moans when you realize a certain noise begins to increase, the wet sloshing, it keeps getting louder and it's not stopping. Your body now feels loose and your thoughts and senses feel dislocated. As you push further into her you notice your body is becoming more and more smaller, and wet and see through. Your body is becoming a slime like substance as you can feel your strength dispersing.
You're mothers clothes are now starting to fade away as your new slimy body now begins to sink into your mother's body. You see darkness for a second as all your senses go dark as you can't see or feel anything as when you open your eyes, your perspective has changed, you are looking up now at where you where, and you are covered in a wet goo but that's not as weird as the new wet void in between your legs and your new breasts.
You sit up and instinctively cover your breath to realize you have become your mother,