Today’s incident, known as the Black and White Cube Incident, has spread across the world.

Upon examining history, it was discovered that similar incidents had occurred worldwide in the past. It was debated whether cases where large troops vanished while trying to clear the Cube were caused by this.

Now, no large units exceeding 30 members are formed, but a rule will be established in dungeons that sets the limit to 20 members to prevent such incidents.

 

Kai: “Nagi… I’m glad. Does it hurt anywhere? Are there any remaining wounds?”

 

Upon returning home, I continued to pat Nagi’s head while hugging her. I kept patting her persistently. Good, good, hmm, Nagi is cute.

 

Nagi: “I think that’s enough. Yes, it’s time, so it’s over. I’ll go take a shower first.”

 

Saying that, Nagi leaves my arms. Is this growing up? She was so affectionate until just now, but suddenly the warmth is gone. I thought I would catch a cold from the sudden change in temperature.

After that turmoil, I explained only the circumstances and was released. Now, I have returned home with Nagi. It was decided that I am reinforcement from another country. I don’t understand the details, but it seems that Big Brother, Hao-san, and Chairman Akuzawa handled it well.

We parted with Aya and others, and thinking that Nagi must be tired, we returned home for today.

 

Kai: “Well then, Nagi. Make sure to rest well.”

 

Nagi: “Okay!”

 

Since Nagi says she will take a bath and rest, I return to my own room to spend some long-awaited leisure time. There are also things I want to think about.

 

Kai: “Now then…”

 

I check my status again. My status after clearing A-Rank Cubes seven times is:

 

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Name: Kai Amachi

Condition: Good

Job: Awakened Knight【Awakening】

Skills: Eye of God, Access Rights Lv2, Mirage, Lightning

Magic Power: 951,185

Attack Power: Reflection Rate▶75 (+30)% = 998,744

Defense Power: Reflection Rate▶25 (+30)% = 523,151

Agility: Reflection Rate▶50 (+30)% = 760,948

Intelligence: Reflection Rate▶50 (+30)% = 760,948

 

Equipment

・Dragon King’s Short Sword = Total Reflection Rate +30%

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Kai: “I’ll probably cross over a million with the next one and then I’ll be a transcendent. From my experience so far, I think something will occur for True Awakening…”

 

It’s just a hunch. But based on my past experiences, I should be prepared for sudden developments. Even so, what can I do besides bringing food?

What’s troubling now is this.

 

Kai: “This ticket…”

 

It’s a ticket I got by clearing an A-Rank dungeon. A Special Skill Acquisition Ticket. I only got one as I didn’t receive any from the second one. A pure white ticket emitting a faint white light.

The status of this ticket is:

 

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Type: Item

Name: Special Skill Acquisition Ticket

Acquisition Difficulty: S

Effect: Can be used by tearing. Acquire one special skill.

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Kai: “A special skill huh…”

 

It was an outrageous item that grants a skill. Maybe skills like Stealth, Provocation, or Fireball? Honestly, it’s incredibly valuable… and special! Maybe I can get an amazing skill like Lightning?

 

Kai: “No point in worrying…”

 

Holding the ticket, I close my eyes. I don’t know what fortune I will receive but, my skills will increase, there should be no loss.

 

Kai: “Here we go!!”

 

I forcefully tear the white ticket. White light turns into particles that wrap around and are absorbed into my body.

 

Kai: “…Is it over?”

 

I check my own status. Nothing has particularly changed, but a new skill I’ve never seen before is added in the skill column.

 

Kai: “Heart Conversation?”

 

It was a skill written as Heart Conversation. I look at the details of the status.

 

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Type: Skill

Name: Heart Conversation

Acquisition Difficulty: S

Effect: Can converse with the heart instead of words. Only usable with targets possessing magic power. Words written using this skill can be understood just by touching.

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Kai: “…Whoa!? Is it!!?”

 

What I recall is that voice that resonated directly in the brain, and those inscriptions on the stone monument in the Trial of God and the Awakening Dungeon. I couldn’t read the characters carved on the monument at all. But I understood them the moment I touched them, probably written using this skill.

As well as that inorganic voice that always resonates directly in my brain making me understand. Also, the words that the black species speak.

 

Kai: “Is it this skill? Let’s try it out a bit!”

 

I hurriedly ran to Nagi’s room. Opening the door with momentum, it was the worst action towards a pubescent sister.

 

Kai: “Nagi! Can I talk for a──”

 

Nagi: “Hmm, my underwear has gotten a bit tight…!?”

 

It seems that my sister, whose chest had grown, was there, unable to fit into her underwear. I recall she hasn’t bought new underwear since elementary school. Yeah, I’ll buy some for her next time. I’ll buy her anything she wants because big brother is rich.

Now, how much do I have to pay to be forgiven?

Anyway, you’ve grown, Nagi.

 

Nagi: “Ah, ah, ah…”

 

Nagi, trembling, is frozen in a pose where she is leaning forward, trying to take off her underwear with her hands behind her back. With a bright red face, she utters words that don’t form a language.

 

Kai: “Wait, um? Oh, I can certainly feel Nagi’s emotions flying in as words! What Nagi wants to say now is…”

 

Nagi: “Idiot!!!”

 

Kai: “Buh!”

 

I was struck hard and left the room. A blow from A-Rank Nagi would have broken anyone else’s neck.

…

 

Kai: “Yes, I will never enter a maiden’s room without knocking again. I’m very sorry.”

 

Afterwards, sitting in seiza in the living room, I apologized to Nagi as much as I could. I feel like we used to take baths together in the past, but certainly, it is not something to do with a middle school sister.

Nagi, with her hands on her hips in front of me, is fuming. Even when she’s angry, she’s cute. After all, my sister is the best.

 

Nagi: “Geez, big brother! I’m not a conquest target, so save that lucky pervert stuff for Aya-san and Reina-san!”

 

Kai: “Is that so, Nagi isn’t a target? Is there a possibility of a hidden step-sister setting?”

 

Nagi: “Unfortunately, no! Even though our eyes look so similar… So? Did you have some business?”

 

Kai: “Ah yes, umm…”

 

I take out a pen and paper and draw a picture. It’s a doodle that can’t be called Japanese, but I activate the skill and infuse it with magical power. I put what I want to convey into that picture.

 

Nagi: “What’s that, a cow?”

 

Kai: “N-no, it’s not. Try touching this picture.”

 

I let Nagi touch the picture. She should be able to understand with the power of this skill.

 

Nagi: “No way!? Is this…”

 

Kai: “Ah! You got it?”

 

Nagi: “You’re kidding… this is, a cat?”

 

Kai: “……….”

 

It seems the skill worked correctly. My heart is slightly hurt, but having overcome the Trial of the Heart, I won’t be shaken by this.

 

Nagi: “You deliberately made it hard to understand, didn’t you?”

 

Kai: “Gah!!”