Update again! BUT SOMEHOW I FEEL THIS CHAPTER UNSATISFYING FOR ME!

Konosuba belongs to Akatsuki Natsume

Warning! Real Life Type Stories! Kids!allchara! Typo! etc!

BetweenIandGirl Present

Proof Reader/Co-writer: VanillaFag

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Childhood Friends

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#Childhoods Friend

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Kazuma P.O.V

I'm in my house playing video games... Today is a weekend so I'm free to do what I want... Though I really want a family vacation but my parents are too busy.

"Onii-chan..."

This is my new 5 year old little sister who is completely unrelated to me by blood whom I met almost two weeks ago, Megumin. At first I just acknowledged her as an acquaintance but as soon as I found out about her family status , I decided to treat her as well as I possibly can.
It must be tough to be in a poor family. It's so bad that she is much shorter than her friends in kindergarten possibly because of malnourishment. At first, I just treated her out of concern but surprisingly she wants payback the things I've done for her. She didn't pay back with money of course, rather she wants to pay me back in other ways. So at first I joked about wanting to marry her, though I don't really know much about marriage. Her face was funny at that time, I wanted to tease her more but she looked serious about paying me back and says she doesn't wanna burden me anymore so I asked her is she wanted to be my little sister and call me Onii-chan, though it took some time for her to call me Onii-chan naturally.

"Yeah, Megumin-chan? What's the matter?"

She's blushing a lot recently, usually when we meet eyes or when I call her 'Megumin-chan'. But she's blushing for another reason this time, she's glancing back and forth between me and my old toys.I think she's embarrassed that she doesn't own a toy and wants to play with mine instead. Well since her family is poor I understand and I can understand her via body language. I'm not her Onii-chan for nothing.

"Onii-chan... can I?"

"Sure, you want to play with my toys right? Go ahead..."

"YAY!"

She was surprisingly happy for something so small but since it's cute it's fine. She took out a cubic toy, a rubik's cube. Well I hope she can solve it she is a 'genius' after all.

"..."

"..."

Unsurprisingly she got one color right... and still one... Almost two but she messed up the other side... One color... And it repeated several times.

"What's the matter?"

"GAH! THIS TOY IS DRIVING ME MAD! ONII-CHAN"

She said while throwing the cubic toy.

"Well, what do you expect? It's a toy meant to educate you about logical movements... I got dizzy too the first time I tried it... Hmmm, let me solve this..."

And somehow I managed to finish the cubic toy.

"Eeeeeh!? How did Onii-chan solve this so easily while I had a hard time just solving two colors!? Mess that thing again!? This time I will be solving this cubic toy!"

Well, just mess it up... Still she's so cute when she's angry like this... And she loves challenges...

"Right,up,down,left...Bottom left, upper right..."

Well now she's doing her own strategy to solve the toy... Back to playing video games I guess.

Hmmm, my childhood friend is late today... Isn't she supposed to visit me today?

"Hello! Kazuma-kun!"

"Bwah!"

Speaking of the devil, my childhood friend shocked me from behind.

"Hehehehehe... Your face looks funny, Kazuma..."

"You are- Rieri!?"

This is my childhood friend since kindergarten, Rieri. (We don't know what her name actually is... So we just substitued Megumin's Voice actress' name here, sorry Rie-san!)

"Sorry, sorry... btw who's that cute little girl?"

"Oh, she's my little sister..."

"Eh!? You have a sister? All I know is you have a little brother..."

"We're not related by blood"

"Huh? Did your parents divorce?"

"Nope, she became my sister because she wants to repay me back..."

"What do you mean by repay you back?"

"Well, Onii-chan is treating me to a meal everyday... My family is poor so I can pay him back using money and I don't wanna burden him so I asked if there's anything I can do for him... So he asked me to call him Onii-chan..."

Megumin-chan just barged into the conversation, I wonder if she's done wi-. WHAT! she managed to solve that by herself!? Is she a genius?

"Well, that's the story... Rieri..."

Rieri stared at Megumin and Megumin stared back. What are they doing?

"Who is she, Onii-chan?"

Oh, right... this is the first time Megumin is meeting Rieri...

"Oh, this is Rie... My friend since kindergarten..."

"Hello my name is Rieri but since your Kazuma's little sister you can call me Rie"

"Umm, my name is Megumin..."

"Megumin-chan, you must leave a good impression when you're meeting someone for the first time..."

"Hmm... Okay, Onii-chan..."

Megumin is now striking a pose while flapping her, wait where did she get that cape...

"My name is Megumin! First ranking kindergarten student and Kazuma Onii-chan's little sister!"

"Weird... But that's kinda cool?"

"Yeah, I guess it's cool..."

"Really!? I will be introducing myself that way whenever I meet new people then!"

"No, no... Don't do that..."

"Muu..."

Pout all you want but I forbid you from embarrassing yourself by introducing yourself in such a manner.

"Well, now that I know about your sister... Are you done with your homework?"

"Yeah, I've finished it two days ago..."

"Can you please show me the answer? Kazuma-kun?"

"Even better, I am going to teach you myself..."

"That indeed sounds better, thanks."

"I'm really lucky and smart, remember?"

"Yeah, yeah, now remove that smug look on your face before I bash your head in"

"Onii-chan is smart? Is Onii-chan in the top 10?"

"Yeah, Kind of..."

"Cool..."

"Well, you can play with my toys while I teach Rieri..."

"But I would like to play with Onii-chan but because Onii-chan is with a friend then I'll play alone..."

Eh? Why is Megumin sad?

"Well, I can play with you after I finish teaching Rieri with the homework"

"Really!? For real.?"

"Sure, I always keep my promises."

"Okay, I will wait for you then... Good luck with your homework Rieri-san!"{Just cheering for her, I dunno other word for cheering so I use keep up?}

"Thanks."x2

"Okay, time to work... Rieri."

"Right, Kazuma... Hehe."

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TBC

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I don't know what I have write...