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[Futa4F] Did You Know Saiyans Will Breed With Anything? (Goofy Rule 34 Stuff)

NSFW

From the Personal Files of Dr. Ruto, Saiyan Scientist of Universe 27

It is, perhaps a little known fact, of course.

What with Saiyans either becoming extinct in most universes, and the universes that DO have the Saiyans escaping extinction either have them never harness the Tuffle technology for their own, or there are so few of them left that their genetics are only passed on to a sparse few potential mates on backwater planets.

So it does make sense that it is a little known fact across the Xenoverse. Either a large amount of Saiyan history, science, and culture is lost entirely, is cast aside in favour of relentless training and battle...or is simply not at all remarkable.

But the fact remains a constant across the Xenoverse. Like Kryptonians, like Viltrumites, like Daxamites, and like so many other alien races that possess flight, strength, and numerous other superpowers, Saiyans are incredibly genetically compatible with almost any race that they come across.

While I cannot begin to posit upon the actual biology at the microscopic level, it can safely be assumed that the Saiyan genes simply "fight" and win to overpower the genes of their potential genetic partner. So even if a Saiyan were to breed with the likes of an Asari, or a Xenomorph, or even a Kree, the child will come out "Saiyan" as it were. Perhaps not entirely in looks(although most children do come out dark of hair and with strong eyebrows), but certainly in temperament and blood lust.

(Side Note: The practice of achieving Super Saiyan and it's various upgrades has becoming increasingly easy among half breeds, especially human-adjacent ones. The Transformation of the Legendary Warrior of the Saiyan Race being reduced to the playthings of children is rather concerning...but sadly pediatrics is not my specialty. Further research will be required to see if the dilution of genetics plays a part)

((Secondary Side Note: Prince Tarble and his Wife Gure have noted having trouble to conceive. Perhaps the peculiar race that Her Highness Gure belongs to could be the exception to the rule, as it were)

Regardless. The Mating and Breeding Practices of Saiyans are rather simple and straightforward. Saiyans seek strong mates, either strong in body, strong in will, or both. If a potential mate is able to dominate a Saiyan, they will gladly keep the lovemaking tender and within the parameters that a baseline human could withstand. However, in most cases, Saiyans tend to dominate in the bedroom, where things can get...out of hand. Many a house have been destroyed with an energy beam fired upon orgasm, and many a bed have been cracked by the sheer force exerted by a Saiyan's rigorous mating.

So it is, of course, a constant to see Saiyans choosing mates that are strong of body. Angels, Goddesses, Warriors, those who can "keep pace" as it were. Especially considering that mating while in the various Super Saiyan forms is increasingly common among universes where Saiyans have achieved the state. Those I have interviewed about the practice have compared it to a dopamine high.

...And having tested it myself with one of the Kais of Time...well.

I can confirm that high. Fucking, breeding while Super Saiyan feels phenomenal. You feel as if you could crack planets, fight gods, colonize entire universes on your own. And while the Kai was only open to allowing me to achieve the first level of Super Saiyan...

...I do now want to seek a mate that could handle Super Saiyan Level Four in the bedroom.

Patience is a virtue, of course. My travels across the Xenoverse take me far and wide, and if I were to simply go around forcing myself upon women, the Time Patrol would be after me within hours. Not to mention the potential for things to get...messy, for lack of a better term.

No, no. I will simply bide my time, travel across the multiverse, and observe. Looking for any walking womb-er...potential subjects to test my theory upon.

Science is patient, after all. As am I.

Although it is a shame that the outcome of the experiment will take nine months...


This is. A really dumb idea. A really fucking dumb idea.

Essentially. I wanna play a Futa Saiyan, who is fucking someone strong enough that they could handle sex in the various super Saiyan forms.

That's it. That's the Prompt. That's the desire here. To see a Saiyan fucking someone while Super Saiyan. Because I think it's funny, and powerscaling talk is also funny. I'm always of the "the strongest one is whoever the writer wants to win"

But because A.) I was Bored and B.) I can't be normal about things...well. I wrote all of that above. Mostly because I have a Saiyan OC, Dr Ruto. And I've opened the door to having my partner play a fictional character. Because why not.

Obviously, the character you play is up to you. If you want to make it so Sindel or Tsunade or Nico Robin can somehow handle a Saiyan in The Bedroom? Go right ahead. But the text has obviously implied that I'm looking for someone on the higher end of powerscaling. Viltrumites, Amazons, Kyrptonians, the Dragon Ball version of Angels, New Gods. Even Emma Frost or Jean Grey while housing the Phoenix Force would be fun. Or Fate Servants? Just Spitballing.

(If you want to keep it "in house" as it were, Vados and Marcarita are an easy pick, alongside Zangya)

Not to say you can't play an OC, but I'd need to see a good pitch.

That said. I can also play a canon character in return? Which is to say. I'm willing to play Kefla mating any fictional baddie. Because Potara time limits are bullshit, it should be permanent.

Honestly. Don't be afraid to get silly with it. Nine Tails Inhabited Hinata, or Ultra Ki Awakened Chun Li, etc. Anything to justify it. Just. Stupid fun, y'know?

...Yeah. Silly smut meets dumb powerscaling. That's it. That's the post.

If you're interested? Reach out! My prompts are always open.

All Characters involved are consenting adults!

Cheers!

Posted May 1, 2026, 11:33 AM UTC

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