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Futanari Football Team Part 20: Cum Science

The following weeks quickly flew by. Maya made a habit of visiting Aki during school, demanding blowjob every time, plus she intensified their sexual training after school. 

Even returning home means more fun stuff with Nyla. Being so overwhelmed by Futanari cocks isn't bad thing, but he hardly can focus on anything else. Nicol for once seems to keep her distance. Every time Nyla starts seducing Aki, she is fast to leave. Moreover, they go together to gym often, adding another sting into Nicol.  

When asked if she is bothered by it, she just shakes her head, not revealing any emotion. Is there even any chance to keep her and Nyla in his live? Isn't that extremely selfish wanting them both?  

Speaking of girls, Maya somehow learned about the gym, but to Aki's surprise didn't ask if she can join. Instead offered him her protein shakes, which tasted heavenly, still...what the heck was even her plans with him for future?    

You have any plans today, Aki? Nyla brough him out of deep thoughts. 

"No..." Ah, here she goes again, ready to fuck, not like he would complain. 

Alex just texted me. They want to visit us with Dani. No idea why tho... 

"Oh, didn't expect that." 

Nyla smirked knowingly. Don't worry we can have our fun later. 

When the visit came, Aki could barely hide his surprise. Alex looked way different. Dani surely worked on him with her feminizing fetish in mind. 

Hi Aki, hope you have some free time today. Big Futa had an arm around Alex's shoulders and her clearly visible bulge was pressed on his hip. 

Do you like my girlfriend? 

"Hey that's embarrassing, don't call me that in public!" Cute anxious expression appeared on boy's face. 

Oh sweetie, soon you will have problems passing as a boy anyway... 

She was right. Alex looked very girly with his new outfit, even his body looked different from before. 

So, what do we own for a visit? Nyla appeared from inside, possessively hugging Aki. Sup, bro, you look...cute? 

"Thanks." his face now absolutely beet red under sister's gaze. 

Don't worry about him Nyla, I am just helping him find his true self. 

Hmm, so why did you want to meet?  

You remember Tamara? Serena told me her research about Futanari's cum is making great progress and proposed us to take part in it. 

And? Is she going to milk us or what? Nyla joked, yet Aki could feel her cock harden against his back. 

Haha, you wish. But we might learn something interesting. 

What do you think Aki? Nyla looked down. 

"Well, it won't hurt to learn more." Actually, he was really intrigued. While drinking cum all the time either from Maya or Nyla, it would be great to know if there might by any danger. 

All four of them entered research building sponsored by Futanari Party. Tamara already expecting them. 

Welcome. Please girls take those bottles and go fill them. She jerked her head to the door with Futanari logo on it. 

Just like that? Nyla's brow moved up and Tamara was quick to explain: This is just a friendly visit. You are not my test subjects. Give me more test material and in exchange I will analyze it and tell you what your cum is capable of. 

Nyla's and Dani's faces flushed with horniness. Well, for scientific purposes.... 

In meantime Tamara led Aki and Alex to her office. Wait here like a good boys should and I will go examine their seed.  

Left alone in room decorated with pictures describing and showing Futanari anatomy, boys exchanged few words. Alex seemed to be enjoying his change, looking almost like a femboy already. Insane to think Dani was able to change him that fast, but if he liked it...wonder how his parents are going to react. Not only having masculine daughter, but also feminine son... 

Sorry to make you wait. I knew you had a small dick. but your load also sucks. 

Careful Nyla, I might take it out on your fragile brother. 

Don't even dare to hurt him! 

Ah so touching, but I am not barbarian in bed like you, so you can calm down. 

HEY, want to know the results or not? Tamara was already sitting behind her desk, a sheet of paper in hand. 

This research is still in early stages, but I already have some concrete stuff to share. Futanari cum is very fascinating subject with many effects on male body. Females and other Futanari are mostly immune. The categories of effects are following: feminization, addiction, aphrodisiacal, mind-altering. 

Of course, this entire thing is very complex, and I don't have enough... test subjects... to dwell into specific effects. 

Anyway, what I was able to do is to establish what average Futa cum strength is. 

Absolutely normal Futa would have 100 points in every category. But there is no one what is average in everything, some have cum that is mainly addictive, some have mostly aphrodisiac effect. 

Aki listened carefully, trying to process all the information presented, it all sounded too surreal. "Why is this even a thing?" 

We have no idea, but biologically it is there for Futa to take control more easily over their partners both in bed and life. 

As I was saying... for example we have Futas in Futanari Party that have almost no points in feminization and aphrodisiac aspects but high addiction number, making their partners practically beg for cum after few months of regular sex. 

That sounds hot, don't you think Aki? Nyla's eyes sparkled with excitement. 

"Sounds a little bit scary to me..." 

Unfortunately for you Nyla, you have only 34 points in addiction power. Therefor your cum is 3 times less addictive compared with average Futa. Don't make that face, you have other qualities. Especially the aphrodisiac effect is at 207. The number not only means how fast it works on partner, but also how far it can go. I believe you will be able to make Aki drool every time he just sees your bulge. However, it takes some time to manifest, I recon more than a year of cum feeding to get male under Futa's maximum potential. 

From my experience Aki is already thirsty all the time. Nyla announced proudly. 

"HEY, that's not true!" Aki opposed, trying to hide his erection from Nyla's tightly pressed body against his. 

Good for you. The rest is...74 points in feminization, that's decent but it won't change femboy much further and 61 points in mind-altering, which determines how much of haze Aki can experience after drinking your semen. It slows the mind, reducing critical thinking and such, making him easier to control. There are thinks like long term IQ reduction, but you need to have at least 150 for that, and even than male can fight it with studding and puzzle solving. The real power here is if you have around 300 points and that is extremely rare gift. We have only 2 Futanari like this in our Party, using it for...ah I am getting off the track here... 

Aki felt himself growing ever more fascinated and scared. If it all was true, that means there is barely any chance at stopping the Futanari at taking over the country. Stronger, faster, extremely dominant and plus their cum. As if they were made to control everyone else. Intense feeling of submission surged through him, making his dick rock hard at the idea of possible future. 

If Nyla's cum was only making him hornier, it didn't sound scary. It even sounded hot to know every time he gulps down her cum, he will become thirstier, maybe even more than Futas themselves. 

While Aki was zoned out, Tamara spoke to Dani. Let's see. You got 112 in mind-altering, able to make your partner quite a cum drunk. 17 in addiction, oh my that is lowest I ever saw...sorry, sorry, I didn't mean to make fun of you. 56 in aphrodisiac power so enough to make your boy a bit thirsty for your jizz, but nothing more really. Lastly...oh my...incredible...you have 348 in feminization?! 

Fuck yeah, that is only thing that matters anyway. 

Well, the cum effects mostly fit the nature of Futa herself. Would you mind visiting me in future? We might even pay you for more samples. 

Aki couldn't help but look at Alex. The idea of being completely changed by someone like Dani sent a shiver down his spine, filling Aki with both fear and excitement. Alex seemed to feel the same. 

This level of feminization must be extremely rare. Looking at your boy...he is not femboy right? How long are you two together? 

Few weeks. 

Just a few weeks? Oh my, so it is that fast at this level huh? I wonder how much your partner changes in a year or more. I would like you to take him with you next time you visit, and I will make records of his changes. 

If that means more easy money...right sweetie? 

"Umm, why not I guess." Alex squirmed around, unsure how to respond to such a reveal. 

Honestly, I had no idea you had this fetish bro. 

"Me too, until I met Dani, I am nervous, but I think I want to stay with her." 

Ah my sweet little girl, I am making sure you have enough to gulp down tonight. 

Ehm.. Tamara cleared her throat and continued the explanation: At this level I am not sure how far changes go, but I expect everything I already observed with other Futa's partners and more. Like shrinking in size, getting overall female shaped body, less to no body hair, soft voice, inability to get erect. At this point I even wonder if he starts growing big breasts in few months. 

Aki watched Dani whisper something into Alex's ear who sat fidgeting in his seat, while Tamara turned back to him and Nyla. 

There is one more thing. A month ago, Maya, your captain, visited me and I also did the test on her. The results might be...interesting to you. 

"What's her numbers?" Aki asked with careful concern. 

That is private information I shouldn't be sharing, my cute boy...but if you really wanna now, you can try to convince me. You know what I mean. Tamara rubbed penis shaped bulge on her thigh. 

Aki you don't need to... Nyla looked displeased at the demand, but Aki simply needed to know. "It's alright. I spend a lot of time with Maya, I must know if there is any danger." 

With that Aki followed behind Tamara as she led him into neighboring room. 

Together alone, she patted his head. If I knew you would be hungry for my cock just to get few numbers...You acted like a big shot as a kid and now you will take my big shot deep into your body. Get to work! she pushed his head down below her waist. Her lab coat partially wrapped around him as he knelt, unzipping her pants. Finally free, her cock flopped out, dripping with precum, ready to drown him with dangerous Futanari cum. 

Aki slowly licked her shaft from tip to base, even her balls. He knew she enjoyed watching him worship her much bigger cock than was his own. 

Feeling her cock twitch over his face, as Aki sucked her full, heavy balls, his mouth felt impatiently empty. Was this effect of Nyla's cum? Either way, he took her dick in, giving her sloppy blowjob with precum and saliva dripping down his chin.  Like a thirsty slut, Aki worked for cum that might possible even alter his body. Despite the dangers, he just wanted more of Futanari seed. 

Tamara's moans filled the room, accompanied by the wet sounds. Mm, yes Aki, that's it! she praised his practiced skills, unknowingly thrusting her hips slightly forward. The veins pulsated on her cock, expanding it together with his throat until familiar surge of liquid hit the back of his throat. 

*Gulp, gulp.*That's a good boy, drink it all. And your reward... starting with lowest, Maya's mind-altering power is 97, making your head spin a bit, yet nothing dangerous. Want to know more? Then get up and bend over my desk! 

If 97 is lowest....He needed to learn more so Aki did as ordered, even splitting his ass cheeks as Nyla taught him. 

Mmm, someone is eager, your Futa's cum must make your prostate too needy to get crushed by superior dick. 

Tamara rammed the impressive size in with the helpful mix of saliva and cum, making Aki moan as air was fucked out of him. 

Now then, to the real business. She growled, adding more vigor into her thrusts. 

Aki cried out in pleasure mixed with pain as he clung to the desk, feeling every inch of Tamara's impressive length spreading him wide. His prostate and dick tingled every time her thickest part rubbed on it. "Captain Maya's feminization... ranking?" he managed to ask between gasps for air. 

Oh not so fast, little slut. I get an orgasm and you get a number. 

The word slut stung this time. Was he really becoming one? And was it his own nature or was Nyla's cum at fault? And was it even a problem? Bending over desk in scientist's office for her pleasure sounded incredibly hot. 

With a twitch, Aki sprayed his not at all dangerous jizz over the glossy table. 

Good boy, squirt on my floor while I fuck your ass. Sweet yet rough voice revealed her incoming climax 

Completely at the mercy of girl he once made fun of, he trembled below her, taking her seed deep inside him.  

Fucking take it, let my cum change you! Tamara groaned as she slamed into him one final time. 

Panting heavily, overwhelmed Aki rested as Tamara leaned over him to whisper into his ear. The feminization number is 117, you will become even cuter if you keep taking her cock. Oh, that was nice squeeze Aki. Are you that happy? 

Without warning she lifted his entire body up and smiled at him, face to face. So light, so flexible, did Maya train you? 

"N-no, it was Ny..." rest of it vanished into groan, as Tamara lowered him on herself, and his back arched at the intensity of the feeling. I can see why they love you so much, if you had no Futa, you would be licking my cock under desk every day... 

Aki hugged her to avoid falling, as she fucked him midair, while standing. 

Another hotness spread through him thanks to being manhandled by superior Futanari. Even Tamara looked to be getting insanely excited from the power and the way his well-trained body convulsed around her. This time it was Tamara's head that arched backwards as she released unnatural amount of cum into his deepest parts. 

As she finally finished, Tamara let out a satisfied grunt, setting Aki down. Her cock slipping out of him with a pop, leaving behind a trail of warm, addictive jizz. 

Next is, she spoke to leg trembling Aki: aphrodisiac power at 156. Pretty high, but as long as you are with Nyla, this is unimportant. 

As if hearing her name, Nyla burted inside. Aren't you taking too long? 

Aki still owns me one more climax. You joining us? 

Impatience, changed into aroused smile as lights on semaphore. Why not. 

Once again surounded by strong Futas from both sides, Aki takes them in spitroast position. 

With wet trail, Tamara's Futahood slowly reaches his face. Then slaps it. Open wide, this is the last one, make it best one too. 

The tip of her once again hard cock leaks onto his tongue and before he can begin, Nyla pushes deep from behind, making his head dive onto Tamara's member. Forcing it down the throat. His belly jumps in refusal, but the fucking won't stop. Once Futanari start, hardly anything can stop them. Knowing this, Aki puts his best into pleasing them. 

Grunting and groaning, Aki forces himself deeper onto the immense lengths invading his throat, tasting Tamara's salty juices and breathing her strong musk. Their strong hands firmly grip his body, moving him back and forth, from one cock goes in and one goes out all the time. 

Take a deep breath I am going balls deep!  Aki's eyes water, as her entire shaft spreads his throat almost reaching his stomach.  

Mmmm, just imagine choking on my Futanari cock, while I test various cum samples, trying to find the strongest ones to defeat any chances of males ever standing against Futas as equals! 

Unable to respond, Aki taps her thigh, pleading for air.  

This is the new most important thing in the world for you now, just accept it.  

With groan from behind Nyla just explods into his ass, completely consumed in her own desire doesn't notice how hardly Aki tries to escape from Tamara's cock. 

He knows his new life was about cocks and cum, but what about air? Desperate, he taps one more time, harder.  

Okay, okay...oh wait I am.... just as Tamara starts pulling out, her balls throb making her push back balls deep to enjoy incoming orgasm.  

His upper body starts burning from lack of oxygen and looking up at her makes her only more excited. Drink it all, like a good trained bitch you are. Aki feels the waves of cum travel through her cock as he starts losing his vision. His attempt to take in more air just squeezes his throat around her shaft, milking more of her seed. 

Whole world spins and the boy collapses down under her feet, finally sliding off her cock.  

With a burp he spits out some of the cum and huskily breathes in sweet air.  

Looking up, standing Futanari grins at him, her cock still leaking down onto his face. Last number. The addiction of Maya's cum is 311. 

What does that mean?  

It means Aki would have really hard time trying to stop drinking Futa cum after few months with Maya. Almost impossible in a year.  

Moreover, when Futanari goes over 200 points at this category, her partners will become addicted to her specifically. It should be still easier to transition to other Futa's cum than to quit all together, but it would be still extremely difficult. 

Fuck...  

Simply put, if you want Aki only for yourself, keep him away from her. 

Fuck me... she is not gonna like this. I have to properly expain her I love Aki and I want him for myself as my boyfried! 

"Lo...love y-you too." Aki coughs up more of Tamara's semen.  

Nyla smiles softly. I know, come Aki, tomorrow morning we tell Maya. She will understand...I hope.... 

Lifting Aki gently, Nyla helps him dress up and together they return home, wondring how is Maya going to react tomorrow.