“Someone help!” Rosalina has been captured by Bowser for the past week. He had put her in a random tower in his kingdom to make it harder for Mario to find her. She has been waiting for Mario to save her, but this was taking too long. She tries to use her magic wand to open the lock, but he had it magically sealed.

“Why me! Why did he even capture me? Its probably just to mess with Mario...” she looks around her cold cell only seeing her left over food, a small sink and mirror, a small toilet, and her quite large bed. She wanted out, so she was just going to have to help herself. Rosalina floats over to her bed and sits on it to think.

“I need to get to my luma's soon, but this stupid turtle won't let me out. I know I can't just sit here and wait either...It will take weeks for Mario to show up...” she sits there and ponders her situation, but couldn't really think straight due to how horny she was.

“Usually my luma help me with maintenance, but I think I may have to do it for myself for a change...” She lifts her dress and moves her panties out the way. She sticks her fingers into her cunt slowly.

“Oh...” she starts to pull it in and out slowly.

“Mmm..I needed this...” she masturbates harder making her start to get wet.

“Ahhhh...” she goes deeper filling herself with more pleasure. She slowly removed her left breast from her dress and started to pull her nipple.

“Ohh-Yeah~ ohhh...more” she pleasures herself harder in her pussy.

“Maybe I could wait to be saved~” she starts to stick her wand into her pussy. She tries to stop her dress from getting in the way as she masturbates.

“Ohhh..AHHHH” Rosalina climaxes making her cum drip onto her dress.

“That was-” she hears Bowser opens the door to the tower. She tries to look decent, but he was already in front of her cell.

“Rosalina?” he stares at her confused opening the door. He was regular sized now, but she knew he was to powerful to actually fight alone. She thought for a second before her still horny mind gave her a bad idea.

“Hi-hi Bowser...I've been feeling lonely up here lately, I really wish I had company up here” she says it alluringly. She bends forward to show her large perky breast.

“We-Well that's to-to bad to hear, anything I could do to help?” he asks flustered.

“Well actually yes. there is something I need help with, I have this one bad itch on my inner thigh that I can't reach” she spreads her legs, but her dress hides where she was inferring too “Could you itch it, Mr. Bowser?” she says teasingly.

He can't possibly fall for this… Rosalina thought.

“It will be my pleasure princess” he walks over and crouches next to her dress.

“Oh-Really? Go ahead… Itch it” He goes under her long blue dress leaving only his tail poking out of it. She waits for him to lean closer, then places her hands behind his head, then whispers, “Bad mistake Bowser...” she forcefully shoves his face into her pussy till it popped inside.

“Oohhh!...Deeper!~” she pushes on his head more causeing him to slip in deeper making her dress bulge slightly as he enters her womb

. “Get-In-there” Bowser struggles to get away. He calls for his guards, but her flesh muffled him well. “Ahhhh...Yes” She clenches her muscles in her womb sucking Bowser deeper into her hot womb. Bowser grabs her thighs and tries to stop her from devouring him with her pussy, but her cum makes them slip in.

“Aahhh...you naughty boy. I never would've been able to guess you wanted this!” She clenches again pulling him halfway in making her womb grow to fit him in. Under her dress you could see a few struggles here and there, but the only evidence of what was really happening was rosalina's growing belly and the deep smell of lust in the air.

“Rosalina! I command you to stop!” Bowser knew he was already halfway into her womb, he fought hard, but her soft vaginal walls were somehow over powering him.

“I want you in me Bowser!~” she screams in lust. She holds her belly with both hands as she does another pull. Bowser slowly slides into her womb, his tail vanishing under her dress.

She moans in joy as Bowser was nearly all the way in. He kicks his legs out of fear, as they were the only thing outside of her womb. He felt around looking for a way out of this mess, but only felt her cum soaked walls.

“Bye-Bye Bowser” she clenches hard sucking the last of him in making a small popping noise as he was enclosed into her womb.

Rosalina pants fiercely as Bowser struggles inside her womb. She rubbed her belly to feel him move inside of her.

“Your -pant- mine Bowser...you won't be able to get out no matter -pant- how hard you try” she lays back to enjoy his struggles inside of her womb that were sending her closer to her next orgasm.

“Don't make me hurt you Rosalina! I'll roast you alive from the inside out” he struggles more, but notices her womb was getting tighter around him.

“Go ahead, I’m the mother of stars! My womb has held things much hotter than your fiery breath” she rubs her belly happy that she has conquered the King of the Koopas.

“My breath won't work?!...I-I don't think I have many options left then.” the womb walls close onto him more making it more difficult to move.

“Why is it it getting-so-tight-in-here!” he pushes against her contracting walls, but they continue to close around him.

“Hehe, sounds like it's already starting.” she moans.

“What? What is starting” he says in a panicked way.

“Usually I change powerful people that end up in my womb into many lumas, but I have a different plan for you.” she rubs her belly as his image becomes more visible on the outside as her womb constricts around him. Her walls start to massage his body while they oozed cum covering Bowser's whole body quickly.

“What are you doing to me!” he tries to struggle, but couldn't move due to how tight her womb was. “Well…for the trouble you caused me, I deserve some type of repayment. Your body adding to my next climax will probably be enough!” she laughs as he tries to squirm inside of her turning her on more.

“What-What do you mean adding to your next climax!? Am I your personal toy now or something?!?” he finally manages to budge moving some of the churning walls away from him.

“Don't worry about being my toy, I would never want to drag you around all day...what you should be worrying about is how to not be turned into my cum” she starts to feel more movement inside of her as Bowser give it all he got to try and get out.

“I'm sorry Rosalina...but you made me come to this decision” he says in a disappointed tone.

“To what decision Bowser?” suddenly her belly starts to get hotter as her captive began to heat up. “Wha-What are you doing?” she begins to sweat as the heat continued to grow. She holds her belly staring at it out of fear, then she notices it was beginning to swell.

“Uhhhh...AAAHHHH!!” Rosalina stares in shock as her belly starts to grow to twice its size.

“ITS-WAS-A-GOOD -pant- DAY TO WEAR -pant- MY MATURNITY DRESS!!!!!” Her belly had swelled to five times the size of her, but her dress had managed not to tear as it grew. “OHHH...LORD!!!” she arches her back and screams as her womb grows to fit the growing Bowser. Her eyes start to roll from the massive amount of pleasure she was feeling. She plays with both of her exposed breast as he continues to grow. He begins to stop as her cell was filled almost to its limits.

“ -pant-pant-You...done?” she groans as he moves inside of her womb.

“How?! How did you survive my growth!” he yells as the room starts to buckle under pressure.

“My pregnancy’s sometimes get really big, but-but...I still feel like I'm about to explode!” she rubs her belly to try and stop the pain he was giving her.

“I gave that all I got...How was it not enough!” her womb walls somehow manage to contract again. Bowser was pinned again by her soft warm walls. they started to churn his body again, but faster this time.

“I...can't...win...” he tries to move, but her womb was much tighter than before.

“Just give up Bowser...It might take awhile, but I'll make you my cum soon enough” she says while she lays exhausted on her bed.

“I need some rest. Hopefully you'll be ready to Cum by the time I wake up” Rosalina does a proper yawn and falls asleep.

“Rosalina! Wake up and let me out!” Bowser felt his body be covered by her acidic cum slowly. Even-though Bowser was now seven times larger than her body her womb was still efficiently covering his body.

He tries to get away from her churning walls, but her womb was just to tight for him to move. “Rosalina! Stop this!” he begins to feel tingly at his feet as her cum starts to go deeper into his skin. “Let me out Rosalina! Your womb is digesting me” he notices that every inch of his larger form has now been covered in her cum.

Her womb was starting to get uncomfortably warm the longer he was in her. It was also getting hard to breath as he was squished repeatedly by her warm womb.

“I can't beileve it! Her womb really is breaking me down into cum. while I'm still alive!” Bowser tried to think about a way out of her, but he had already tried everything.

Her womb starts to get even hotter around Bowser, and starts to leak more acidic cum around him. The cum was starting to burn, and was starting to make him melt.

“No! I don't want to just be this princesses cum.” He continues to melt inside of her acidic womb. “Ahhh...Oh..Bowser” Rosalina mumbled in her sleep being turned on by his struggles.

“Please Rosalina! I'll do anything for you too let me out!” his struggles were getting weaker inside of her as he was broken down. Her womb was now an oven cooking Bowser while he melted.

“My shell!” Bowser tries to hold onto his spiky shell, but it was dripping through his claws. Her womb was filling up with the cum that was being created from Bowser's body.

Rosalina's lumpy tummy started to get smoother as more of Bowser's body was processed.

“Why Rosalina...” he fights for a little bit then gives up allowing her to finish melting him. Bowser was soon just a load of cum waiting to be released. Rosalina woke up shortly after his passing feeling just as horny as she did when she went to bed.

“Yawwnnn, morning Bowser” she pushes on her tummy to feel how squishy he was now.

“You surprised me when you grew, but I knew that no matter what you did you would still end up like this” She rubs her belly the wrong way causing her to moan.

“I think its time to let you out” she grabs her wand and slowly sticks it into her pussy.

“Ahhhhh come out Bowser” she starts to move it in and out faster making her belly jiggle.

“Ohhhh yes Bowser I want to...ahhhhh see you stain this bed and floor!” she starts to massage her left tit.

She pulls out the wand and licks it, “Mmmm...you made very sweet cum Bowser, I want to taste more of you” she sticks her wand back into her pussy again, but deeper this time. She bites her lip to stop her moans of pleasure.

“Almost..There..Ahhhhhh...AHHHHH” She gives a cry as her load began to shoot out. The bed and floor were quickly covered before it started to spill into and down the corridor. The thick lime green cum had managed to cover the whole upstairs floor.

“ -Pant- What a mess...” Rosalina's belly was almost flat again beside a little bulge from the leftovers. Rosalina pulled her soaked wand out, and sucked on it to clean it off.

“Mmmm...perfect” Rosalina slowly gets up. “Looks like someone left my door unlocked...” she slips her pantys back into place and pulls her dress back over her breast. She then uses her wand to fix her hair and makeup.

“I think I look presentable now, time to go tell Mario and Peach the good news” her heels clack down the stained hallway as she started to head home.

“Maybe I shouldn't tell them how he died” she says looking at the large puddle.

“I hope I could do that again soon. I really enjoyed it” she smiles and heads out the door of the tower.