My Transfer Foster Sister Can't Be This Fat 12

(This story has elements of weight gain, fat admiration, pregnancy and expansion. And this is based off of the series OreImo, or Ore no Imouto).

"Kirino." He said. What will her reaction be with Ruri getting involved? And where is Ruri? He got out and checked her room, not there.

Downstairs with Kirino? This may cause fireworks to fly... He came downstairs in his boxers and t-shirt and came into the family room, and saw the two girls.

"I KNEW I should never have had you come here!" Kirino yelled as Matt made his way downstairs, with both her and Ruri with furious expressions on their faces. "Of course you of all people would be going behind my back with the Father of MY kids!"

"The hell do you mean!?" Ruri shouted back, her arms folded and her posture defiant. "I never went behind your back, it was clear Matt had a thing for me! You're selfish, Matt loves me as much as he loves you!"

"He loves me more, obviously!" Kirino put both her hands on her stomach. "This is Matt's child, I'M the one who's pregnant, I'M the one who he's loved more, not YOU"

Ruri smirked, still angry in her manner. "I'll have you know that I'm with child too you know. Last March Matt took my virginity as well as impregnating me. Feel my stomach, they'll be kicking, I bet you."

Kirino laughed. "Liar, like Matt would ever have sex with you! Who did he have sex when filming? Oh yeah, me. See how he loves me more than you?"

Matt sighed. "Oh boy..." He pinched his temples a bit. "Girls girls, calm down." He came into the room. "Kirino, what's wrong?" He asked, knowing the answer rhetorically. He looked nervous, but steeled himself. "You two hungry at all for breakfast? Let's just be civil here okay?"

Without warning, Kirino hugged Matt. "It's nothing to worry about, just Ruri's being a slut. I know she's been pressuring you into sex but it's okay, we'll set her straight or else you'll put her on the first flight back to Japan, right?"

"As if!" Ruri shouted out. "She can't accept that I love you as well, plus she doesn't believe that I'm pregnant! It's just so petty of her to be like this, why does she have to be so greedy with her men!"

Matt embraced the hug Kirino gave and kissed her. "Kirino...how do I put this..." He bit his lip and walked away.

"Well...Ruri is telling the truth." He looked at her firmly. "She is with my child. And my second little sister alongside you. I went behind your back, and me and Ruri had sex, and I fed her privately. I was afraid of confronting you because of, well, this happening now." He gestured to their explosion. "But, I'm telling the truth now. I love you Kirino Kousaka. At the same time, I love Ruri Gokou too. I love you both and I want you to be my wives, mistresses, and little sisters all the same. Getting fat and pregnant with surrogate babies until we feel like we're ready to raise a family." He breathed, letting all out of his chest as he sat down on the couch.

"I'm sorry to have kept this...last night during the film, I thought that with Ruri coming in you can like, love her too. I mean, I know she showed you some loving." He commented. "It may have been scripted, but you both enjoyed each other, both being fat and loved. Who knows, you could both be Bi. I wouldn't look at you differently. But still...Kirino I did something unforgivable. I went behind your back and didn't tell you about it until now...my hormones got the best of me. If you..." He gulped again, feeling tears sting. "If you want to go back to Japan and never see me again, I won't blame you. Same goes for you Ruri...

But that won't change the feelings I have, for the both of you. I love you both... wadewa imouto-chan-ka..."

Looking down at the ground, Kirino seemed somber about the whole thing. It was clear in his voice that Matt had feelings for both of them. He was also being completely honest too, surprising her as she was sure Ruri would've had a hand in pressuring him, but here he was claiming it was all him. It was all clear, Matt loved Ruri and Kirino equally, and he wanted to keep it that way.

"I..." Kirino embraced into Matt again, holding him close. "Forgive me for losing my temper....you just mean so much to me, the very idea of someone else in your life just made me so mad...but now I see. You really do care for both of us, and you've both made us so happy together."

"True..." Ruri added. "Me and Kirino have found new love, we love food, we love filming for you, helping you make a living, and most importantly we love you Matt. You are a true gentleman."

"I'm not going anywhere Matt, neither is Ruri." Kirino kissed him softly. "We're your little sisters and we're going to be with you always. America is our home now, this is our home, and you are our lover, the best we could ever ask for...."

Together, Kirino and Ruri hugged Matt, a three way hug encompassing them all in soft flesh of the two girls, both of them glad that they weren't filled with anger anymore.

“Kirino..." Matt held her close. "I understand completely. You're more than entitled to have been angry." And he turned to Ruri.

"Thank you Ruri..." He smiled as he kissed them back. "And I will do whatever I can in my power to make you happy and loved.." He groped both of their bottoms and smiled.

"Now then." The playfulness was back. "Now that that's settled, how about I go out on a breakfast run. I think we're about out. You two settle here and watch some anime if you like. I'll be back with either groceries or McDonalds." He gave both of their bums a spank. "Feel free to talk over ideas too for future filming! Oh, and Kirino, since you were pretty much out of it last night when Ruri came down, feel free to watch the video on the website, I edited it and everything. And see how our fans are loving it."

The edits he made were the sound effects and making the gummy worms colorless, as if they looked like worms. Stepping back, he went upstairs to get some clothes and his wallet.

"I'll be back soon. Also, you're both welcome to weigh each other!" He called as he left the house, giving each of them a kiss.

He got into the car and began to drive off...maybe getting some gum from the gas station won't hurt. He needs to fill up anyway.

With Matt out the picture for now, Kirino and Ruri had some time to themselves. Of course, the first thing that came to mind was food. Grabbing themselves plenty of goodies from the fridge, they lazily flopped onto the couch and rested up, idly munching away as they talked.

"Not going to lie, but I'm surprised you were able to do all that last night." Ruri said to Kirino, reclining back and rubbing her stomach. "You really did look fit to burst!"

Kirino giggled a little, still feeling rather full after last night. Even then, didn't stop her from having her way with a family sized bag of chips. "Oh, I don't remember much at all, only that it felt just....wonderful~" She patted her own belly a little, feeling a few slight kicks. "And they say Pregnant sex is bad!"

Thinking about it, Ruri questioned. "Would you want to weigh yourself? Considering how much you ate and myself included we'll have bound to have bulked up."

Finishing off her chips and chomping down on a donut, Kirino nodded. "Oh yeah, I wanna see if I've reached my next milestone~"

Heaving off the couch, the two girls waddled slowly to the bathroom, squeezing past each other so to get the scales, a pair of reinforced ones made for heavier weights.

Matt drove began to fill up the car with gas as he bought a pack of gum alongside playing for the Mega Millions lottery. He figured "Eh, why not?" and inputted his numbers and submitted them in and got his receipt. He went back to his filled up car and went back to the grocery store. Better get some stuff for the girls' breakfast.

'I wonder what they could be doing right now...' He thought to himself as he walked inside the store.

Slowly stepping onto the scales, Kirino arched her head, but naturally was unable to see past her belly, let alone her breasts. "Can you help out Ruri?" She asked.

"Hold on, just stop eating for a moment?" Reluctantly, Kirino stopped eating her donuts so the number would settled. It rounded out to a grand total of 402 pounds.

"402? Yes!" Kirino jumped a little for joy, her entire body jiggling vigorously. "Matt's going to be so happy when he hears! Soon I'll be in a league of my own when it comes to SSBBW~"

Ruri cleared her throat, making Kirino move off so she could weigh herself too. Stepping on, the numbers rolled again, this time Kirino reading out for her. "Hmmm...296! You're so close there Ruri, you'll have to stick to being a BBW for a little while longer."

"Hmmpgh..." Ruri moaned, stepping off and rubbing her belly again. "I need to gain faster. I've been working hard and I'm still lagging behind you!"

Kirino gave Ruri a warm embrace from behind, belly squashing into her back and using her hands to massage and stroke her pale skin. "You'll get there in no time! You just gotta keep going~" Naturally, Kirino was very passionate about gaining, even with someone like Ruri.

Matt then texted Kirino and Ruri in a group text:

"You two feeling anything for breakfast? What do you want?" Send.

He found some pancake and cake mixes and tossed them in, along with some fruit as he stopped by the produce aisle. The man then got a lot of English muffins for bread. He began to head towards the meats section.

Hearing their phones vibrate, both girls went back to the living room to get them, seeing Matt's text.

"What you in the mood for? I've been going to In n Out a lot lately, so maybe McDonalds would be a nice change of pace." Kirino suggested, hearing Matt mention it before he left.

"I'd be all for that." Ruri replied, having been fond of the place for a while. "Since I'm hoping to reach 300 by today, perhaps we should get Matt to order us a rather sizable amount? After all, what's the fun in eating large portions when we can push the boundaries of how much we can eat?"

Kirino merely smirked as she listened, sending a text back to Matt. Hopefully he would be okay with breaking the bank a little...

"You down for In n Out? They're closed early in the morning silly :V." Matt chuckled as he sent the text. He found some bacon and ham and began to load up on that.

"We can go for In n Out today though."

Kirino puffed her cheeks out in disappointment. "Bleh, they should cater to us. We're loyal customers!" Ruri simply folded her arms, not too bothered by the new course. "In n Out is still fine, I'm on first name terms with the staff so it'll be fun still." Typing back, she texted Matt that he had the all clear.

"Okay, we can cook breakfast. Then head to In n Out later." He finished buying the groceries and began strolling out to the car with the cart, filled to the brim with food.

"So, what you two wanna do today?" He texted back

"All up to you really, me and Ruri don't really know, we're just kinda relaxing for now." Kirino texted in return. It was true, both of them felt pretty lazy, no real plans besides eating and watching anime. "So if you wanna do something  we'll do it!"

"Got it." He began his drive back. He felt his phone vibrate. Must be an email or something. He did recall giving his email address to the lottery...

"Eh, I'll see it on the TV possibly." He drove up to the driveway and opened up the trunk to unload.

Hearing Matt getting his stuff out the car, Kirino and Ruri sat down and finished off their snacks, now the prospect of Matt's cooking on the brain. "Mmm...you think he'll make his pancakes? He can stack them so high and there's always so much syrup..." Kirino drooled at the idea.

"He could always make those pastabakes he got from the gaining sites, he can load them with so much cheese it fills you right up...so delicious and fattening!" Ruri added, a tone of excitement in her voice.

Matt opened the door. "Hey, care to help with groceries? I have a lot." He mentioned as he went to the kitchen after closing the door(due to the cat). "I got pancake, cake mixes, muffins, fruit and some meats." He then looked at his phone...

"Sure thing, don't worry." Kirino moved outside to help as did Ruri, both of them getting a few bags. They couldn't carry as much as Matt for obvious reasons but they moved as fast as their thick legs could carry, wanting to help out best they could. Bringing them into the kitchen, they went back and forth as they left Matt to his devices.

Matt turned on the TV and was on the news channel. Turns out they were revealing lottery winners. He looked at his phone and saw the email of his lottery entry and the numbers he putted down.

"And our winner is...!" The numbers were read out. And he looked down...then up. Down and up.

They matched. And his jaw dropped.

"Right, we're done!" Kirino called out, with Ruri in tow as the two of them walked back in. "Oh, is something on Matt?" She asked as she only saw the lottery numbers with Matt's speechless reaction.

"Matt?..." Ruri asked again, confused at how he was acting. However, it wasn't long before the girls put the pieces together.

Matt then fell to the floor, fainting. He has just won 50 million US dollars. Just by chance and on a whim while he got a pack of gum.