Geronimo's Slutty Incest Adventure (Thea's Point of View)

Story by GerboiseBleu on SoFurry

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#2 of Geronimo's Slutty Incest Adventure

Geronimo gets into a slutty incestuous sexual relationship which he quickly enjoys. This is from Thea Stilton's point of view, but there's also another story on my page where it's the same story but from Geronimo Stilton's point of view. Enjoy!


Thea Stilton did not have a man in her life but wasn't actively looking for one. But that didn't mean she didn't have her own lustful desires. She was ashamed to admit it but she had some fetishes that she'd rather keep to herself. For whatever reason she found taboo relationships hot. She'd never lusted after her own family but to her incest was hot. Until she'd have a man she'd continue to please herself when showering and right before bed imagining her lustful desires coming true.

One day Thea needed to stay at Geronimo's house so she could catch a flight at the airport the next morning. Geronimo did find her annoying sometimes but always appreciated family and happily let her stay the night. As the day was drawing to a close, she went to take a shower. She forgot to close the door all the way and didn't notice the mirror reflecting her into the room next door. She washed herself for a while, not ever noticing Geronimo's camera in the room next door recording the mirror's reflection, meaning all of her body was on display to it. Thus she let her guard down to indulge in her lusts.

She fingered herself and imagined a made up relative. He was muscular. He was confident enough to essentially do everything slightly short of forcing his sexual advances on her. She lovingly let her imaginary relative fuck her in her thoughts as she masturbated to them.

"Y-yeah~" she lovingly moaned, "You're so strong, so confident, you don't care how wrong it is you just do it~" she fingers herself deeper. "F-fuck I'd do anything for a man like you~" she eventually gasps and squirts her fluid. She panted and sat down to recover. She then finished showering and dried off. She then changed into the pajamas she brought with her. She noticed the slightly open door, seeing the mirror.

"No...no one would spy on me," she muttered to herself, "Geronimo wouldn't spy on his own sister showering." After getting dressed she decided to be her usual self and surprise her brother and enter in unannounced like at his office at work. She entered in, seeing Geronimo enjoying a book. He looked up and gave his usual slightly annoyed look he gives anytime she just barges in.

"Hey Geronimo," she smiled, "I'm heading to my room. Thanks for letting me stay."

"Well you are family, Thea," Geronimo replied while smiling as well, "When is your flight ready again?" Typical Geronimo always asking questions for details.

"Trying to get rid of me already, eh?" she laughed, "The flight is supposed to be tomorrow afternoon right before lunch."

"Sounds good," nodded Geronimo, "Good night sis."

"Night, bro!" echoed Thea before heading out. She walked to the spare bedroom she was staying in and got in bed. She rubbed her pussy gently having more lustful thoughts while at the same time thinking to herself. She imagined for a while suddenly she was being fucked by Geronimo but quickly shook it off. That'd be too weird, even if she does like incest. She pulls the sheets further up to cover her shoulders then falls asleep.

* * *

The next morning Thea got dressed with a simple buttoned up shirt and jeans. She went downstairs to eat breakfast. Since her flight was before lunch she'd need a nice breakfast to fill herself up. After eating half her meal, Geronimo walked in with his normal suit. He then sat down and smiled at her, but gave a look of smooth confidence. Thea noticed and was caught off guard a bit. She wasn't used to such a look from her brother like that.

"Geronimo?" she asked, "Is something up?" Why was he looking at her like that?

"Thea," began Geronimo, "I know your desires." Thea blushed a tiny bit and her jaw dropped. This was really creepy.

"WHAT ARE YOU TALKING ABOUT?" she asked, "THAT'S SO CREEPY BRO!" Geronimo stood up and kept up the same look. Thea wasn't sure how to respond. Was this some dumb joke? Should she grab something to whack him with?

"I overheard you wall walking down the hall last night..." he continued. Thea put two and two together and her eyes widened. He did spy on her showering last night and she never noticed. He must have overheard her desires after all. For a split second she imagined him fucking her again, almost finding the idea hot. But she couldn't show that and instead intended to try and look disgusted.

"Y-you heard me in the shower?" she asked, "Why were you listening in YOU CREEP!"

"Thea, I know you want a strong confident man," Geronimo said calmly, "You want a taboo relationship too. I know you do." Thea blushed again but tried to fight it. Was she really going to get the hots for her brother? How is he able to suddenly act so attractive towards her? He must be practicing some act to try and imitate her desired traits. But...it was beginning to work.

"Geronimo..." she sighed, "What I lust after is my business. I don't want--" Geronimo suddenly took off his suit and tie to reveal his bare chest. To Thea's shock he was muscular all over. Thea blushed redder, suddenly finding him even hotter. "G-Geronimo? H-how did you get a chest like that?"

"From my adventures," explained Geronimo. "All of that running, jumping, and usual stuff we do is quite a bit of exercise. Besides, you haven't seen me bare chested since a kid. You simply haven't known. But I assure you I'm strong. I also know what you desire is wrong, but I don't care." He slowly walked to her side and stood there calmly. "I know what you desire. I want it too. Let's make it come true." Thea sat there continually blushing and fighting several urges. But ultimately she lost and simply grabbed Geronimo's face to press her lips against his. She was going to live her lustful taboo desires with her brother. Geronimo blushed and then closed his eyes to embrace her kiss. Then they opened up for their tongues to caress each other as their kiss got deeper and more passionate.

Thea felt his muscular chest, still lost in his kiss and still shocked at his hot body. Suddenly Geronimo unbuttoned her shirt then took it off. He felt her breasts, felt his first pair of breasts, and moved them around. The way he simply did it without asking turned her on more. She liked being used by her brother and continued to give in to every advance. Geronimo then reached down her pants with one hand to her pussy to finger her. To Thea's surprise, it felt really amazing. She practically masturbated the same way. She moaned and enjoyed his touch across her opening and inside her cavern. He must have paid attention to how she masturbated when he spied on her. Thea responded by lowering Geronimo's pants and underwear before stroking his already cock. It was already hard and quite decent in size, but frankly she didn't care either way.

"Not bad, bro~" she cooed after breaking the kiss. She kept stroking his cock and Geronimo softly moaned. "Now go ahead and fuck me already~" Geronimo grinned but, to her surprise, instead pressed her head onto his cock. She found herself tasting it and she loved it. The forceful move made her lust after him more and she lovingly gave him a blowjob while her brother guided her. When she heard him moan and delight she smiled and kept at it. She was glad he was enjoying this as much as she was.

"T-Thea~" Geronimo moaned as she kept bobbing her head. Geronimo came down her throat without warning to Thea's delight. Then she lovingly swallowed it all. Then she backed off his cock to lovingly stare at him.

"Tasty~" she sexily sighed. She wanted her brother to finally pound her hard. She was so close to her perfect lustful desire becoming reality.

"Alright now you can get on your hands and knees so I can fuck you good~" said Geronimo. Thea blushed and lovingly obeyed. She displayed her pussy to him and looked back, awaiting his next move. Geronimo grabbed onto her hips then fucked her hard. They both moaned and felt immense pleasure. Geronimo and Thea almost achieved Euphoria as they kept fucking over and over. After what seemed both forever and short at the same time, Geronimo and Thea both came at the same time. Their loud finishing moans echoed in the kitchen before they panted and collapsed to the floor holding each other. Neither of them had ever felt something so good.

"Geronimo, that was amazing!~" Thea lovingly sighed as she nuzzled his chest. Geronimo blushed and rubbed her ass. She relaxed as his hand felt her body, which as far as she was concerned was all his now. He earned it.

"Thanks sis," Geronimo replied before kissing her forehead, "I'd be willing to do this whenever you want to visit~" Thea blushed and bit her lower lip with a lustful smile. She then nodded her head. She was definitely going to do this more often. Then Geronimo reminded her of why she was there in the first place. "It's ten. You should probably get ready to go on your flight."

"Yeah you're right," she agreed as she got up. She was a bit sad it was over but she'd be back to do it again. When she was finished getting ready she was ready to walk out the door before Geronimo suddenly put an arm on her shoulder. She turned around to see Geronimo lustfully smiling. He casually grabbed her breast with a hand from outside her clothes. Thea could tell Geronimo knew her body was his to use like his property by now. Damn this was so sexy. He made it even more sexy for her as he leaned in and whispered in her ear.

"Come right on back~"

Thea blushed a heavy red and nodded. Then Geronimo tongue kissed her good bye. She lovingly returned the favor. They embraced again and kept making out until they both pulled away leaving a string of saliva. She lovingly stared into his eyes as he returned with his own stare. Then she gently stroked his cock from outside his clothes. She loved seeing the lustful happiness on his face. Then Thea opened the door and walked out. "I will Geronimo~" she waved then got into a taxi to take the ride to the airport.

* * *

As months had gone by, Thea essentially became Geronimo's willing sex slave. Geronimo fucked her nearly every day and to his delight he could do it in any way he desired, which delighted Thea quite a lot too. Thea noticed that Geronimo worked out even more to make his body even fitter, which she admired.

After a while Geronimo brought his own nephew Benjamin to join in. He was a definitely nearing the age of a lustful teen and gladly joined in. Thea enjoyed the taboo sex with him as well, and enjoyed seeing Geronimo slowly turn him into quite a pimp. Her whole situation right now was the sexiest fantasy for her and she was in sexual paradise for being an obedient slut. She and Geronimo were always nude at all times in the house and every potential fuckable occasion became one. Geronimo could always grab her, stroke her, and kiss her whenever they were at the house and she'd never object as long as it wasn't violent.

Thea walked in to see Benjamin had just arrived from his last day of school. He asked his parents to stay with Geronimo over the summer for fun and they had no problem with it. For Thea this was perfect as she now had two taboo sexual relationships every single day. Thea was also wearing a collar. She enjoyed seeing Geronimo enjoying her acting like a sex slave. She however had to draw the line at leashes as she didn't liked being dragged around like an animal, so they compromised with the collar. Collars were still hella sexy for her.

"Hey Thea, I'm exhausted after today at school," said Benjamin as he unzipped his pants, "Give me a nice sucking." Thea enjoyed hearing her nephew order her around.

"Of course Benjamin~" replied Thea as she got on her knees and sucked his cock. Benjamin moaned and rubbed the back of her head lovingly. For a boy his age this was a dream come true. Eventually Benjamin came down her throat and Thea licked his cock clean.

"Th-thanks Thea~" he lovingly sighed then sat on the couch to relax. But he was also still horny. By this point both Geronimo and Benjamin could last several sessions before losing their erections, again much to Thea's delight.

"Benjamin stand up I have an idea," Geronimo suddenly suggested as Benjamin excitedly stood next to him. He then looked at Thea and smirked. Thea blushed and lovingly stared back. "Alright slut, give us both a nice stroke." Thea obeyed and gave both of their cocks handjobs. "Don't forget to keep the kisses and licks coming." Thea responded by kissing both of their tips causing them to moan softly. Then she went back and forth between them licking their tips, kissing them, continuously stroking their cocks.

"Very good slut," commented Geronimo, "Take a reward from us and open your mouth." Thea sat back on her knees and opened her mouth. Benjamin and Geronimo ejaculated semen all over her face. Thea blushed as she then licked up as much as she could. The taste of their semen, while not special, was still something she enjoyed.

"Thank you Master~" Thea lovingly replied. As she cleaned herself up, Geronimo sat back and watched. She then sat in-between them on the couch, her hands stroking their legs. Benjamin and Geronimo almost instinctively do the same with hers. "Are we still gonna watch the movie?"

"Yeah," affirmed Geronimo, "I'll get the popcorn ready." He puts the DVD in then gets up to head to the kitchen before briefly stopping. "Benjamin, while I ready the popcorn, feel free to have fun with Thea. You have my permission." Benjamin grinned and gave a thumbs up as Thea giggled with a blush.

Benjamin then grabbed her breasts and gently played with them before spreading her legs and getting in-between them. Thea smiled as she let him slide his cock in and begin fucking her. While his cock wasn't fully grown, it still felt nice. Plus with all of this practice his sexual skills were getting better. Halfway into it, Benjamin grabbed Thea's head and french kissed her. Thea french kissed back, enjoying every second of it.

"Mmm~" they both muffled as they kept fucking. Eventually Benjamin grunts and cums inside her. Thea always took birth control every day so that he and Geronimo could afford to cum inside her every day, to her pleasure.

"Aww, didn't cum aunt Thea?" asked Benjamin. He clearly wasn't disappointed in himself, he was fucking a hot woman. But he still wanted to be able to get Thea to orgasm herself to prove he's good at it.

"Don't worry sport," she assured as she stroked his back, "You'll get it one day. Practice makes perfect. Especially since you're not done growing yet." Geronimo then suddenly put his arm around Thea, cupping her left breast. He then without a word pressed his mouth on hers to get his own french kiss in. Thea without a word blushed and lovingly accepted his tongue. This was normal routine and she sank into sexual euphoria. Thea did not want this to ever end.