Travel to Another World because ROB asked me.

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{POV: MC}

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....

....

*stares*

....

....

Uh..

This is awkward.

After we agreed to create a 'friend group', We didn't know what to talk about..

I mean what kind of topic could be discussed between kids who have trouble communicating with each other.

["Don't ask me, user. This was your idea."] The system answered me.

Come on Satoru, think of something...

....

Oh!! I have an idea!

"Ehm."

I mumbled loudly and faced them all for attention.

"Alright, as a first step in forming our group.. Let's determine the name of our group and who is the leader and vice leader here. " Satoru explained to the others.

Everyone who listened to my suggestion started to give their ideas.

Hachiman raised his hand.

"How about the name of the 6 Dragon Knights? A cool name isn't it?" Hachiman said.

... Uh, Nope. What did I expect as a name suggestion from an otaku boy?

"Good idea, but it would be great if it was changed to 6 Knights of Kaguya-sama" Ai said.

... Nope. It sounded even worse. And I and my twin sister would be never Kaguya's knights.

"Anoo... How about 6 Guardians of Hell?" Ravel said

... Ravel-san, only you here are devil. Others are just normal humans (I think).

"That's cool name Ravel-san, but it sounds scary. So perhaps change it to 6 Guardians of Earth?" Hachiman said.

... I don't think changing it from hell to earth would matter.

"Hmm.. Guardian of Galaxy." Kaguya said to the discussion.

"That sounds very cool, Kaguya-sama." Ai said.

... Don't sue me, Marvel!

....

This discussion is out of control pretty fast.

Luckily my twin sister didn't seem to really care about the naming of this group and was just observing like me.

As expected of my twin sister.

["*DING *DING User, your Tsukkomi skill leveled up!"] The system said to me sarcastically.

I don't need that kind of skill!

Anyway, Why aren't any of their name proposals nothing good?!

["What do users expect from collecting ideas from ducking 1st grader kids?"] The system said in a tired tone.

....

....

That is true.

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 

Fortunately, the school bell rang when our group had a heated discussion about the name of the group.

Thank you school bell!

Although to be honest, Hachiman's 'Passione' last name suggestion wasn't bad.

["So you want to name your friend's group with JoJo Reference?"] The system tells me.

Why not? It sounds cool.

Anyway.. me and my twin sister are now in the car again heading to our home. And again, she fell asleep on my shoulder.

I wish I had a camera with me now.

....

....

She is so cute.. I can stare at her all day.

["No you don't, you pedophile incestuous siscon. User, I will remind you that you need to contact Azazel about what happened in the school."] The system said to me.

....

....

Her sweat with her uniform adds to her cuteness..

I want to pat her so bad, but I'm afraid of waking her up.

["User!!"] System yells at me.

Geez system, chill. You seem very mad at me now. What happens?

["How about getting ignored all day by the only person you can only communicate with in a daily basis."] The system responds to me.

Oof.

OK. OK. I'll do what you suggested.

I clapped in the car, and our maid in the front seat turned to us.

"What do you need, Young Master Satoru?" Answer the maid.

"Please give me your phone, I want to call my father." I said.

The maid then gave me her smartphone so I could contact Azazel.

.....

*RING*

After a while, Azazel answered the phone.

"Hello, Jack? Why are you calling? Did something happen to the two pinkie twins?" Azazel said.

Huh.. Pinkie Twins? That's new. Also, this maid's name is Jack? What the duck.

["Focus user."] System said.

...

"Hello Azazel, it's me Satoru. I used the maid's phone to call you because you didn't give me a smartphone." I said to Azazel.

I can tell Azazel who listens to my voice is chuckling behind the phone.

"Oh my son, you are still in elementary school. Smartphones are not good for your age. I don't want you to be influenced by the stuff on the internet. Am I not a good daddy? Besides, when are you going to call me dad?" Azazel said to me.

"Duck you dad." I answered him.

All the maids and servants who heard it were shocked that I dared to be rude to my father.

"Young master, please don't be rude to your father." The maid said.

I looked at her and stuck out my tongue.

....

["User, you have the mentality of an adult, but you act like a child."] The system said to me in a tired tone.

Meh, I don't care. This is how I act. Also, I think it would be better if I act according to my age.

I bet they're all just humans who don't know anything about our relationship and identity, as I can't feel any aura. Let them think as they pleased.

"So what did you want to talk about, brat. You're not the type to make small talk to call me." Azazel said.

"I have a question about why in my class, the arrangement is different from what I expected. I told you before to put Arima Kousei and Shirogane Miyuki in my class?" I said.

"Ahh.. About that. My info says Arima Kousei didn't go to school in Japan and went to school in Russia." Azazel replied.

Wait.. What?!

"What happened?" I said.

"My sources say someone gave him a scholarship there.. I don't understand what happened either." Azazel said.

Hmm.. Changes beyond my expectations. Is this due to my existence, or is it because this world is already unpredictable because of the many characters in this world?

I can't trust information from the previous world anymore regarding future events.

"Okay.. Then Shirogane Miyuki?" I asked him.

"Ahahaha.. That.. He was forced to transfer elementary schools to another place after his family was offered a very large amount of money by the Shinomiya Group, Enough for them to live comfortably for years. Apparently, According to the information I got, the Shinomiya Group replaced Shirogane Miyuki with their princess in your class. Have you met her?" Azazel explained to me.

"Uhh.. yes I've met Shinomiya Kaguya." I answered.

"HAHAHAHA.. Imagining the heroine from the original story casting out the original protagonist herself is quite entertaining, even it is was done unknowningly." Azazel said while laughing.

...Canon already ducked for Kaguya-sama at this point.

So, do you still need their blood? I think it would be easy to set up a small accident one or two." Azazel said.

"Not really, the system says I can take samples from Kaguya because she is the main heroine. I can take her as a sample as somehow my damn useless system doesn't explain that the main heroine can be substituted as the protagonist. Also, why is Kaguya in my class?" I replied

"I think it's because there are you two in that school." Azazel replied quickly.

"Excuse me?" I asked Azazel.

"In the human world, I have quite an extraordinary identity and the news that the two of you are my children is enough to make them move to know you guys better. Both of you are my children after all. Shinomiya Group in particularly is aware of the supernatural. I was the one who was backing them in their early days, about a few decades ago. Now they have become one of the richest groups in this country. Humans are surely amazing." Azazel explaining to me again.

Uh..

So they had a long relationship even before I was even born. Great, now I have a 100% guarantee that my knowledge about a future event in this world couldn't be trusted.

"So anything else you want to talk, brat. I have an appointment with the OPPAI club tonight." Azazel said.

So there's also the OPPAI club? Azazel is sure the same as his canon counterpart.

"... Is anything about my info somehow discovered by another faction? I have Ravel Phenex as my classmate in my class." I said.

Azazel fell silent after listening to what I said.

"There's a big chance it has already happened brat. Your black fire's outburst during that night was very powerful, and it could be detected by any supernatural being who was somewhat close to your incident. It also said thanks to your fire that I was able to find both you and your sister." Azazel answered me.

I see. So there's big chance that my identity had already leaked that night. Somehow I feel thankful that I decided to cooperate with Azazel.

"Anyway brat, don't do anything to Ravel. I will use my way to discover her goal is in joining an elementary school in the human world. We both know that she is a part of the 72 pillars, and attacking her might provoke other parties. Just leave it to me." Said Azazel to me explaining his plan.

I don't have a plan to attack her either and honestly, I would like to be on good terms with her.

["Even though she have big chance spying you user?"] System comments me.

As long my sister doesn't involve, I don't care. 

But if she targetted my sis, I will gladly erase her with Amaterasu fire.

"Sounds good to me, thanks dad." I said.

"Heh, finally you call me dad. Anything else to add?" Said Azazel.

"No, That's all. You can close the call now as you want to go to your club." I said.

"HAH I will give you a free ticket to an amazing lap dance show in OPPAI club later for your birthday present." Said Azazel while chuckling.

Please no, I don't need that. 

Yet.

"Ok son, see ya later." Azazel said, then he closed the call.

....

OK, he hangs up.

Now I should give this smartphone back to the maid.

....

....

This smartphone has a camera!

"Maid-san, please let me bought your phone right now!" I said

"But young master,,," Maid replied

"1000$! In U.S dollar." I cut her 

"But..." Maid said.

"2000$! Please!!" I cut her again with a yell, hopefully, that she will give up.

"Uh.., OK young master." The maid said with a tired tone.

!!!!

YES, NOW I HAVE A CAMERA!

I CAN TAKE MY TWIN SISTER SLEEPING FACE NOW!

Quickly, I turned to my sister to take a photo of her sleeping

Only to see she already wake up due to my yells.

....

"...Onii-chan, What happen? Why you are so loud?" My sister said.

....

....

:O

NOOOOOOOOOOOOO!!!!

["My user and his stupid antics."] System comments his user action with a resigned tone.

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{POV: Matsuzaka Satou, MC Twin Sister}

Current Location: Night, At Secret Training Place.

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After making sure that my twin was asleep, as usual I headed to the training ground where I practiced my skills.

2 years ago, I contacted Azazel-san to train me and make me strong. However, I won't let my brother know because it will make my brother sad.

I don't want to be weak.

I must be strong.

So that I would never be in a situation like 2 years ago.

So that I can protect my brother.

So that I can kill all threats against my brother.

So that I can prevent people who want to take advantage of my brother.

So that I alone can have my brother alone!

Yes

I want to have my brother alone!

But I know.. because of his mission from ROB to this world, it's probably very unlikely.

I want to have a brother alone, but I don't want to make my brother sad.

And I don't want If my brother would to be punished by ROB because of my selfishness on wanting to have him all to myself.

But at the very least, I'll make sure that I take the lead among all who want to be with my brother.

I will be the first for everything that my brother does.

I need to make him always prioritize me. Just as I always prioritize him.

Therefore, I must become strong. 

Very strong. 

Too strong that no one would dare to take my position.

Too strong that no one tries to toy with my brother.

Too strong that I only need to kill everyone who threatens my brother with one stab!

>>>>>

When I focused on practicing stabbing with my short blade on the dummy, a teleport magic formation appeared on the floor nearby.

From there out, Azazel-san came out and greeted me. 

"Yo.. my daughter, Training again huh? You really work hard. You know?" Azazel-san said to me.

I looked at Azazel-san and said. "It's nothing Azazel-san, for the sake of my brother I would even be willing to sell my life to protect him." 

Azazel-san heard my words just shook his head.

Maybe he's tired because I always say the same thing every time he asks me why.

Only for the sake of my twin brother.

Azazel-san then changed to a serious expression, Indicating that he wanted to discuss something important.

"Listen to me Satou-chan, I'm came here because I want to tell you something. I know that in your class there is a girl named Ravel Phenex. She is a Devil, but please don't attack her. You might provoke the entire devil race by harming her, She is part of 72 pillars of the underworld after all." Azazel-san said to me.

....

So that stupid-looking little girl is a devil. But I can't attack her.

The Devils already know about my brother's existence? This is not good.

"She is a spy?" I said to Azazel

"Don't know yet, but most likely. I will look for a diplomatic way to resolve this issue and negotiate with the devils if they find out about your brother. But I have a theory, there's a high chance she is there just to observe both of you because they didn't know yet who the black fire user among you twins." Azazel explained to me.

I see. The situation isn't as bad as I thought. I will believe in Azazel-san's words because I know he's very smart and can figure such stuff out.

Azazel-san then looked at me and continue to say. "And most likely, if they don't get results for a long time, they will try to attack one of you. Between the two of you, your brother will be fine... But if they attack you, don't ever try to fight back.. and focus on escaping and contacting me or your brother. Unlike your brother who has a cheat because of which I'm sure that no one will be ever able to kill him, you will be easily defeated by a devil with magic.. even with your trained knife technique. All devils can fly, you know?" Azazel-san explained to me.

"OK, Azazel-san. I understand where my limits are so don't worry, thanks for the warning." I said to him.

Azazel-san nodded and smiled at me, and I responded back with a smile.

"You two twins are really weird huh? You two have a mature way of thinking that a normal kid your age wouldn't be able to have. I understand the reason for your brother to be like that, but I'm still confused as to why you are the same as your brother?" Azazel looked at me in amazement.

I just smiled at him and replied 

"Maybe it's because of my love for him. After all, age doesn't determine maturity, we've been through things that many adults haven't experienced before after all. By any means, we have never been normal after that, Dad." 

Azazel-san listened to me call him dad and smiled comfortably. He then said "Finally you also called me dad.. Your twin brother also called me dad today. What a good day."

Azazel stuffed both of his hands into his pockets and a teleport magic formation appeared under his feet indicating he was about to leave.

"Anyway my daughter, you are still very young so don't stay up too late. I'll go first because dad has some business. Good night Satou-chan." Azazel said to me while winking at me.

Then he disappeared.

....

I started smiling alone.

I'm not worried about being attacked by a devil because unlike before, the current me believe that I can easily at least protect myself. I have a secret weapon that even I kept a secret from Azazel.

My eyes started to glowing blue... and I could see the lines.

*SLASH*

I cut one of the lines, and Dummy is crushed.

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["Nobody seems to have realized that I've been gone for 2 chapters. Anyway, user's twin sister is already really dangerous, yet the user doesn't seem to be aware yet.. that's terrifying. Or maybe my user's just an idiot."] System does her own monologue to end the chapter.