After finishing the yard work, Ty returned to his bedroom. He tried to read, but his mind was on Lisa, and he couldn't focus on the book. He set it down. He had gotten almost to the point of taking his powers for granted, but one thing he definitely did NOT take for granted was having such an amazing girlfriend. Sure, his original interest in her was only lust, and he still had that (did he ever!), but she was so smart, sensitive, and adventurous! She had everything he could possibly want in a girlfriend, and if there was anything else he ever decided he wanted, the fact that she was even willing to try extreme transforms was wonderful.
Thinking about her was making him very horny. He locked the door and activated the one-way soundproofing. He undressed, lay down, and started masturbating. It felt OK, but just not good enough, compared to what he'd become accustomed to. Without even intending it, he transformed back to the mostly-Lisa body he'd had on his very first self-transform. He started thinking about what transforms to try, and when he realized that he'd subconsiously transformed, he was a bit worried. What if he did that in public? In school, or in front of Lisa's parents? What a disaster that would be! If that happened, he might be forced to erase people's memories, and he didn't want to do that.
As he considered transforms, he realized that he missed having a part of himself, in the form of large marbles, inside Lisa's womb or vaginas. That gave him an idea, thouugh he'd have to get Lisa's consent when they next spoke. For now, he decided to do the marble thing, by himself. He concentrated on a transform that would shrink his (well, mostly Lisa's) body, turning the removed mass back into marbles that were detached parts of himself. He saw the room getting slightly bigger, and eight large marbles appeared on the bed. He then grew his main body back to normal size. Maybe in the future he would try doing this in a single step, bypassing the shrinking.
When he had the almost-Lisa body, he usually had his own height, just a few inches taller than Lisa, his own facial features (although feminized), and at least one extremely large cock. For the marbles, he added two more arms and two more breasts, with pussies in place of nipples, incredibly long pussy tongues, enhanced vaginal muscles, pussy lip zippers, cervix zippers, and several womb tongues. That brought him much closer to Lisa's own preferred form. But for this, he didn't want cocks. His cock disappeared and was replaced by two pussies side-by side, with the same features as his breast pussies. He decided to designate this as a "preset", to make changing to this quicker in the future. He called it "95% Lisa Preferred."
He picked up two of his marbles. He was shocked at how sensitive they were, even though he'd previously experienced the same feelings when Lisa had handled them. But this time, he was both the marbles, and the person playing with them. Before, he'd considered the things Lisa had done with his marbles to be sex, since his marbles most definitely penetrated her. This, he decided, must only be masturbation. He rolled the marbles around in his hands, gradually increasing the pressure, which increased the pleasure. He brought himself to orgasm just playing with the two marbles, and felt all six of his pussies go through multiple squeezes.
He opened his hand, and held it near his crotch, and tongues emerged from both pussies. He still was not nearly as adept with the tongues as Lisa, so it took him a few tries to wrap the tongue ends around the marbles. Once he had them, he used the tongues to pull them inside. He started working them with both the tongues and the enhanced muscles, reveling in the intense sensations. Then, holding the marbles in place near his cervices with his muscles, his tongues extended further out than before, to grab two more marbles from the bed, which he pulled in. He resumed playing with them.
While doing that, he extended his breast pussy tongues, to grab the other four marbles. He tried to do that without stopping the action in his
"normal" pussies, but he wasn't yet coordinated enough to do both at the same time. He had to pause the actions of the normal pussies while the breast pussies grabbed the other four marbles and pulling them in. Then he started working on the marbles in all of his pussies, and massaging his four breasts with his four hands.
If he tried to do the same actions in all six pussies, he could somewhat do it, though having only one marble in each breast pussy but two in the "normal" pussies kept tripping him up. He got fed up with that. He was pretty sure Lisa was capable of doing it, but he was going to need more practice. For now, he concentrated, and the marbles in his breast pussies each split in two, which then each grew back to their original proportions. Now he had twelve marbles, two in each pussy, so it was easier to do the same things to all of them. Playing with the marbles in his pussies gave him several orgasms, as he increased the pressure he applied.
Finally he used his womb tongues to unzip all six of his cervices, and applied pressure with his pussy tongues, trying to shove the marbles through them. He could feel the pressure on his cervices, and continued gradually increasing the pressure from the tongues, evenly for all six, until suddenly all the marbles passed through, and the tips of the tongues. He remembered the feeling from when he'd pushed an ordinary marble, not part of himself, through his cervix before, but this was more intense because it stimulated both his cervices and his marbles.
He zipped up his cervix zippers and pussy zippers, and focused all his efforts on the marbles in his womb. Sometimes he rubbed a marble with a tongue or two, or between a tongue and the wall of the womb. Occasionally, he made two tongues "fight" over a marble, but of course that was just role play, as he was in control of both. He found that in general, doing this felt a little better than Lisa using his marbles, in that he could stimulate them exactly as he wanted, yet also less good, in that he was never surprised.
After several more orgasms, he felt sated. He continued to run his tongues over the marbles, slowly and gently, for only mild pleasure. He wasn't trying to reach orgasm again.
He picked up the book and started reading again. Now he found that he could get into it again, without reading the same paragraph over and over, as before. He tried to keep the gentle womb tongue action up while he read, but he kept forgetting. Each time he noticed, he started again. Eventually, with continued practice, he was able to run the womb tongues on autopilot.
After reading for a while, his eyelids started drooping, and he fell asleep.
He was awakened by his cell phone ringing. He noticed that his womb, his womb tongues, and his marbles felt really nice. "I must have been playing with the marbles in my sleep, like Lisa did," he thought. He stood up and walked to his desk, to pick up the phone, and saw that it was Lisa calling. He was overjoyed! He hit the answer button.