My Sister's Pregnant with OUR Cub

Story by PixelsWithFur on SoFurry

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My first story post-return, this time with some twins.


Hi there. My name is Raio Blitz Krieg, the twin brother of Raia Blitz Krieg, who has been my female counterpart. It finally happened; she's apparently impregnated, thanks to me. I feel really embarrassed, but I at least luckily tried a condom to stop impregnation. Fortunately, she was understanding of this, so this is not entirely bad. We'll possibly have a Raikou cub to raise as our kid together.

"Hi, Raio."

"Um, why hello, Raia."

"Your thoughts about my bigger belly?"

(I lock my gaze at her red, charismatic eyes.) "I think your eyes have already been one of your best assets."

(She looks shocked.) "My eyes, Bro?"

"Yes, I love that shade of red they've shared."

"Why thank you. It's sad to hear of your old left eye."

"Yep; surgery was a mandatory option. Ever since that surgery, my dad's original left eye has helped well."

"That's really disturbing... He donated his eyeball to you so he could help you out?"

"That is right. I had a major eye infection as a kid."

"It's really fortunate that you've survived the eye infection."

"I know, right?" (Both of us share a laugh.)

Her smile really enticed my love. Legally, I am her twin brother, but Raia's a natural, in regards to seducing men. Nevertheless, she has somehow remained single. That is, post-divorce I'll be adding. I guess she isn't worried of her pregnant arc. Back when Elliot was her husband, they had Elizabeth Krieg, I think. Elizabeth's parents were brother and sister, but I'm sure she knows that. Raia wiggled closer to me as she hugged me. "I hope we can keep the cub," she said. I was stunned at first, but I probably knew she'd love to raise a Raikou. Heck, I'd love to as well. The only problem is that maybe the kid will be picked on for inbreeding parents. Still, I don't have a son. I'm a half-brother and an uncle, but this would be very different; one of the first Raikou offspring born in decades, into the family. How could I say no to such a chance? Raia would be excited by that. For now, there were alternative plans.

"Raia, let's get more passionate, shall we," I asked. She looked excitedly as I cupped her big boobs with my hands. "Well, aren't you excited," Raia teased. I gave a nod as I pinched her breasts. "Oh my! You know I'm very sensitive, but turned on," she said. I thought she would scream at me for this, but I guess she may like a small pinch. She motioned me to remove my hands from pinching, and I did. "Raio, my nipples should breathe," said Raia. I watched her partially undress to her favorite bra for pumping her breasts' milk. "Good Lord, they're huge breasts to love," I said. Raia blinked lovingly as she laid down her shirt. "Now you can start on the breasts," she said. I knew she was getting hornier. "Which parts of those big breasts first," I asked. Raia purred gracefully as she pointed towards her nipples. "You want me to work with those," I asked. She smiled as I began to rub her nipples. "Oh, thank you! I think my tits are getting heavier," she said with a wink.

I jiggled her bosom and Raia showed a blush. "Shake those jugs, my love! I love how this feels," she said. Well, I'm pleasuring my twin sister, so I'll probably get some booty out of this. After a couple of fun minutes, Raia turned to direct her focus. "Excellent work. I'll be pumping milk soon," she said. "Why," I asked. Raia started to rub her nipple as she felt some milk come out of it. "Here, have a taste," she said. I licked my lips excitedly as she let me suck her breast. I remember her milk tasted great, and this luckily remains the case. My erection was bulging in the pants I wore, and poor Raia also felt seduced. "Good God; you look like you're hard," she said. I squeezed hard on her right breast that I still drank from. She seemed happy from the breastfeeding, but I already planned on getting more from her. I used one hand to get my pants off, and I presented my big penis with my hand. Raia looked like she could orgasm from the sight. "Stick it in me," she begged as she assisted with the condom.

I put it on and then penetrated her ass. "Oh shit, my ass," she yelled. I breathed in and out as we had sex. Raia continued to pant pretty heavily as each inch went in her. "How the fuck will I fit that," she asked. I then even rubbed her clitoris as she gasped for more air. "Raio, I doubt your penis will fit," said Raia. I partially ignored what she said and continued forward. "I think you can take it like a good girl," I said. Raia seemed to enjoy how I can talk dirty. "If you want that ass, at least have my milk," she said. I continued forward, despite the reluctance she previously felt. I groped her right breast, now with both hands, and sucked it. She giggled while I suckled it. "Her butt is pretty sensitive, too, huh," I thought. Raia was riding on my penis as if somebody gave her catnip. "Deeper, Raio! Deeper, please," she yelled. I'm shocked she wants me to pound her ass.

"Ohhh... I might cum, Big Guy." (She ejaculates as she pants more.)

"Good job, Sis; you're probably ready to give birth."

"Well, the due date would be near next week. Ready for that start of fatherhood?"

"I might, excluding Ellie, of course."

"Yeah, I'm really embarrassed by her."

The next year, I've finally had my own offspring, courtesy of Ms. Raia Blitz Krieg. My cubs were twins, but they were luckily Raikou, which took decades for this fatherhood dream to later be made possible, but I couldn't be much happier. But maybe it's the dirty diapers that get nauseating. At least my sister's helping with the diapers, too. Since the births, Raia and I stopped starring within porn for five years, I think. I'm sure the cubs somebody can help the family... But how do I explain inbreeding to the two after they're older and both adults?