All characters over the age of 21 years old.
This story has a pretty slow start and the fandom may not appeal to most. For anyone who enjoys, I'm hoping to do this in 3 parts.
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Chapter 1
The tall lithe figure moved across the polished stone floors of the garishly decorated apartment, seemingly floating rather than pacing. The room was furnished sparingly, intentionally playing up the brutalist style of the imposing large brick wall. Rug, cushion, bed, and all other furnishings were either a dark green or bright red. The room glowed a warm orange light coming from the many large torches lining the walls. These were the guest lodgings of King Bowser in his massive palace stronghold. "Guest" was a misnomer, as the king of the koopas rarely ever had anyone there of their own free will.
It was as a "guest" that Princess Rosalina found herself in these quarters, growing impatient with the situation. Her quarters were fitting of royalty, but she grew fatigued of being on someone else's schedule--namely Mario and Luigi's. She had already been in the fortress for just short of a week, and its "charms" were irking her more with every day. To one who travels the galaxy, even a monster's castle grows boring quickly-- though she had her other princess roommates to keep her company. With a "hmph" she glided silently past her kitchenette and into her bedroom, careful not to wake the other captives in their rooms. She rested her head in her hands as she leaned on the stone windowsill and looked outside. The cosmic explorer made a weary sigh looking at a sight that would floor most other beings.
The apartment window looked down from a huge tower in the enormous black stoned castle of Bowser. Her tower was one of seven connected by a thick wall that encircled the tallest tower in the center. While the Bowser's abodes were often referred to as fortresss, this was far closer to a city in it's scope and layout. Outside the main towers of the castle was a staging area with many of the koopa king's armaments protected by a lower wall. And outside that walled area was a larger area still--the castle marketplace. This commerce district seemed to completely surround the structure with many signs, shops, and figures moving back and forth. Around this hustle and bustle was one more wall, thickest of them all, with many parapets and turrets. The final layer of the impressive installation was a moat of lava with only one visible bridge over it. All around the palace was a barren wasteland of mostly sand and stone with small pools of dark muck visible in the distance. Wild Reznors could be seen roaming the wilds, emitting flame every so often.
The beautiful woman let out another sigh and floated over to her large bathroom. As she stopped in front of the sink, her feet lowered down to touch the cold tile of the bathroom floor. She stared in the mirror as she loosened her silky cyan gown, letting it drop to the floor. Her pale skin seemed to light up the room as she lowered her cream colored panties to the ground. She took in her reflection, admiring her figure. Her breasts were small, but well defined on her thin figure. The princess's mastery of gravity seemed to translate to her bosom, as her chest seemed impossibly perky. Each teat came to a point with a pointy pink nipple facing slightly upward, erect with the stimulation of disrobing. While petite, her breast had a juicy tear drop shape.
Rosalina's gaze moved downward to her flat tummy and curvy hips, in great contrast to the slight build of her upper body. Between her long lithe legs was a tight, just slightly pink vagina. She had just a little tuft of whitish blond pubic hair matching the color of the long lochs on her head. Rosalina could not see her back, but she had a round, toned bottom. She knew objectively and subjectively that she was a very desirable woman.
Rosalina's examination of her own anatomy reminded her why she was here. The woman of the cosmos had allowed herself to be captured with many of the other women Mario associated with purely out of curiosity. She was so used to experiencing reality on the large scale of space, a small territorial dispute such as Bower's and Peach's seemed quaint. She had looked forward to treating this like an anthropology expedition, studying the koopas while in their lair. Truth be told, Rosalina is a very powerful being that could leave her "captors" any time she wanted. She had the abilities of flight, telekinesis, telepathy, and could even phase out of sight and through walls. She had tried to be patient and not interfere with the subject of her study, but she had seen little in the time she had already been there. Her only interaction was with a female magikoopa who delivered the princess's meals and supplies. She was much younger than the other koopa wizards Rosalina was used to, but still in robes and glasses rather than a shell. Rosalina had only seen decrepit old men as magikoopas, so this lady wizard was intriguing.
Rosalina lowered herself into the bathtub, now full of steaming water. As she lay back in the suds and relaxed her muscles, her breasts formed two white islands on the surface. Her thoughts returned to the magikoopa and her life. Rosalina wondered what a day in the life must be like for the average turtle in this world: what were their hopes and dreams? How did they get by? Was their society similar to others she had experienced throughout the galaxy? What was their biology like? All of these questions swirling in her head made the princess even more impatient that just a few minutes ago. She had to do something other than look out the window! She had to create her own window into this world!
"If I am just looking, there's no harm in that. Right?" Rosalina thought, "I can just phase myself through the castle walls and take in the goings-ons. I'll be invisible as well, no one will know I am there. There's no way I could cause any problems that way." The princess was so excited by this surge of impetuousness she realized she was now floating naked about the bath water, droplets dripping down her backside. She rose more into the air and items in the bathroom shook slightly from her great power. "No time like the present!" Rosalina said aloud to herself as she closed her eyes and disappeared from sight. She had transformed every atom of her body into a form of cosmic radiation--invisible to the eye and able to pierce solid objects without struggle. The princess could look down and see her still naked body, but she was utterly imperceptible to others. "Who needs to get dressed when you're invisible? Rosalina thought, "Besides, that gown was getting worn down." Without anymore hesitation, the galactic guardian phased right through the floor of the apartment.
Chapter 2
Rosalina had been gliding along and in between corridors for a number of minutes without seeing a soul--turtle or otherwise. She worked her way lower, realizing that her tower must not have been where most of the common koopa really worked. Finally, she heard the chatter of voices as she reached only the third story of her tower. Two koopas were walking the corridor, one with a black shell and the other with red.
"Pom Pom has been running us ragged since the latest 'guests' arrived." Said the red-shelled koopa.
"She wants to impress the big boss after getting a tower of her own. She's one of the seven tower bosses now and she doesn't want to go back to being some airship rat, Lup" The black-shelled koopa responded.
"Well she's making us late for our chow. She needs to calm down. I can't defend the place if I'm starving, Rup." Said Lup.
"And what's more is Kara. Why does she get to be number two in this tower? She's barely a magikoopa and she's ordering me around. I've been in this troop since that thing with Dinosaur Land." Said Rup. Rosalina's mind raced for a moment realizing she knew what they were talking about--or rather who. That "Kara" is the magikoopa that had been checking on her this whole time. Rosalina listened intently to the conversation now wholly invested.
"Well, the wand and glasses give you status." Said Lup.
"I'd like to give her my wand. She could play with that a while." Rup said as both koopas began to laugh uproariously. The invisible princess rolled her eyes in disgust. She realized that this culture was much the same as all the others she had studied in space. Men were fools with only one thought in their heads. Rosalina listened on to more crude conversation as the two turtles made their way to a large dining hall. Inside were many minions of Bowser. There were koopas of every shape and shell color imaginable. Some had wings, some hammers, and some boomerangs. The two koopas she had been following bumped past a much scrawnier koopa with a yellow shell. He staggered to the side, but did not fall over.
"Watch it, Klay." Said Rup dismissively.
The little turtle went about walking to one of the long tables, before a voice caught his attention.
"Klay, come sit here. We have a seat for you!" said Kara the magikoopa Rosalina had met before.
"O-okay!" Said the small koopa. He took a seat across from Kara as Rosalina floated over to take in their interaction.
"How's your work going in the sublevel?" Kara asked blinking her long lashes. "Are you on schedule washing the uniforms?"
"um...y-yes." Klay responded. Rosalina perched herself next to Klay, and took in what he was gazing at. While koopas were very different from Rosalina's human form, Kara was undoubtedly quite feminine. She had long red hair that streamed down form underneath her wizard hat. Her features were slighter than the males, although hard to describe in the context of a turtle. Despite wearing the magikoopa glasses of her station, one could still see her long beautiful eyelashes. The most apparent mark of her sex was the way the robe hugged her ample breasts and hips. A rare sight for a turtle, but magikoopas did not wear shells like most of their species.
"Everything is on s-schedule." Klay said with blushing rosy cheeks. It was very obvious to Rosalina that the little turtle was shy and quite taken with his superior.