My Vampire Older Sister and Zombie Little Sister

Book 7: Chapter 0



[crucial notice] Search Status [on the pinup board]

Absolute Noah had spread across the globe from Kukyou City, but it has effectively ceased to function.

We estimate this was due to internal conflict.

Based on the continued activity of search teams, the Echidna may still be at large.

However, a few giant snake scales and blood stains were discovered at the outskirts of the city. They almost certainly belong to the Echidna, but it seems the injuries were not caused by Absolute Noah.

Contact has been lost.

Did the Echidna sever her lizard’s tail and escape, or was she so thoroughly eliminated that what we see is all that remains? There is no way to be certain.

No trace remains at the scene. If it was the work of an Archenemy’s supernatural power, it could fool standard forensics, but it should still leave some occult traces for us to detect.

Be cautious.

It is possible that is lurking here.

That is fundamentally different from Vampires, Zombies, or Demon Lords. There is still no accurate word for it, either because the humans have been slow to develop the rules or because researching and categorizing it has been forbidden. That is why it is thrown into the Archenemy category, but it is unclear how meaningful that provisional treatment is.

“Oh?”

When I returned home, I found my little sister Ayumi napping.

She had a short and slender build. Her long black hair was worn with the ends a little too curly to call twintails, so I called them butter rolls. She wore her usual jogging wear. She may have been taking a break after a quick run. Since she was a Zombie, she had stitches here and there on her skin like a stuffed animal, but Amatsu Ayumi was just lying there on the living room sofa.

Well, even if that middle school girl looked fantastic at first glance, she was still quite skinny, but if you looked even closer, she really did look fantastic. But at this point, seeing her sprawled out in what was little different from a swimsuit was not enough to surprise me. Although I still had trouble keeping my eyes away from some areas. Like her modest chest or her navel!

But I was more interested in the headband-like device she wore on her head while lying there so defenselessly. Needless to say, it was a VR dive device.

I tried pulling out my smartphone.

“Maxwell.”

“Sure.”

The disaster environment simulator host responded with a speech bubble on the screen.

“What is Ayumi doing? Playing some kind of game?”

“No, she appears to simply be napping.”

“That sure is inefficient… Keeping the virtual reality active means her brain is still working and she won’t get any rest this way.”

“I have concluded this does not violate her privacy, so I can tell you that she is currently sleeping alongside a virtual Amatsu Satori.”

Oh, what’s this?

Hearing that piqued the curiosity of my mischievous heart. The sofa was…yes, Ayumi was small, so there was plenty of space. Good.

I tried lying alongside Ayumi.

“Oh, that was close.”

It may have been because of our combined weight, but the sofa sank down more than I expected. My body rolled onto its side and my lips came awfully close to Ayumi who had also rolled into her side.

…This sofa was made from cheap artificial leather and sponge, so it really wasn’t all that comfortable to lie on. While on my side, my cheek pressed against it and I had to feel how sticky my sweat was. Why had she chosen to take a nap here?

“Maxwell, tell me when Ayumi logs out.”

“She is already about to wake up.”

“That was fast!”

Ayumi’s sweet feminine scent could not be absorbed by the artificial leather and reached my nose instead. The regular breaths leaving the gap between her cute lips came to a stop and her eyelashes trembled a bit. Her eyelids opened like a butterfly breaking free of its chrysalis and braving the sky for the first time.

“Zzz.”

And her big brother did his very best to pretend he was asleep.

When I cracked my eyelids just enough to observe her, I could see her sleepy eyes focus on the legendary ninja who had approached within 5cm of her.

“…Yawn. Huh? Onii-chan, huh!? Wait, but, eh, Maxwell, I logged out, didn’t I!?”

Mwa ha ha! Looks like you’ve fallen for the Ninja Nesting Doll technique, Ayumi. Waking up from virtual reality to see the exact same thing really shakes your foundation, doesn’t it!?

Meanwhile, Ayumi was clearly growing disoriented as her thoughts spun around and around and around and around.

“Did I screw up the process somehow? But…oh, so that means this is still virtual reality.”

…Oh?

What was this? Ayumi was sounding awfully gentle. And yet she was such a carnivorous little sister in reality.

“W-well, if I am still in virtual reality, there is that one thing I forget to do before…”

Ohh!?

What was this? She was growing more bittersweet. If I didn’t reveal the trick soon, this was going to accelerate out of control, but I didn’t see a good time to do so! Oh, no. I was being dragged into it. I kind of wanted to keep going like this for a while. Yes, like that hunting game that was 15 minutes a play!

And she whispered in a heated way.

“If this is virtual reality, I might as well take a bite…”

Might…

“Might as well, my ass!!”

“Wah!”

Damn this zombie! I scrambled off the sofa and tried to get away from her, but there was something odd about the look in her eyes. That little sister looked awfully out of it.

“Ohh, this simulator sure is realistic. He even runs away just like Onii-chan.”

“This isn’t virtual! It’s real!!”

“Yes, yes. I bet you would feel real between my teeth. You’re incredible, Maxwell!”

“Your praise honors me,” replied the simulator.

Crap, my little prank had taken a very bad turn! At this rate, she would bite me like it was nothing more than a game!!

“User, you only have yourself to blame, so why not just enjoy it?”

“If you’re not going to give me any useful advice, then run a risk avoidance simulation! Ah! Th-that’s right! The dive device is still on Ayumi’s head, so send her back into virtual reality!!”

“… (Quit complaining and feel some pain for your decisions.)”

“Why is my simulator going through a rebellious phase!? And putting parentheses around that doesn’t make it any harder to read! I think your thoughts are getting a little too flexible, Maxwell!”

“Hee hee hee. I wonder what Onii-chan tastes like. Maybe an exciting lemon flavor.”

I’m not going to taste like something you don’t even find in shoujo manga anymore! I’ll have the normal rust and fat flavor of blood and flesh!!

Since my lifeline of Maxwell had entered a mysterious grumpy(?) mode I didn’t recall installing, my options were extremely limited. Since I was up against a Zombie, hitting her with a cushion wasn’t going to do much of anything. This was simply not an opponent you could handle with human strength. She had some nerve for a little sister. But in that case…

I had to fight fire with fire.

Demon Lord Lilith, our stepmom, was working as a part-time cashier at a supermarket (located far enough away that she would not run into the other neighborhood moms there), so there was only one hope for me!!

“E-E-Erika!! It’s only evening, so I’m trusting you to still be in your coffin!!”

Something was clearly wrong with our family when the most sensible person was a Queen Vampire! But I was grasping at straws at this point!! I had to do something about my little sister whose idiocy had taken a decidedly non-humorous turn!!

But just then…

“………………………………………………………………………………………Satori-kun, why are you flirting with Ayumi-chan after assaulting her in her sleep???”

Uh, oh…

“Ugeh!? Erika is poking half her face out through the living room door and staring at me like I’m a criminal!?”

“What are you even doing, user? Who do you think you’re explaining that to?”

“To you and your complete lack of concern, you stupid simulator!! Use Laplace and Ghost Cat if you have to!!! Just connect everything in parallel and search for a way to escape this threat!!!!!!”

That was how I got here.

It wasn’t my fault.

I was only escaping my bloodthirsty sisters by following the optimal answer reached by Maxwell, Laplace, and Ghost Cat.

What had I done, you ask?

“Hey, Maxwell. Why did I have to run right up to Erika and lift up her gothic lolita dress’s skirt?”

“That choice was like threading a needle and you have my perceptive eye to thank for discovering it. Since you are currently alive and in one piece, I would prefer you did not complain.”

“I’ll admit the sudden action kept her frozen in place long enough for me to escape the living room, but I’m terrified about what’s going to happen at dinner. …And she was wearing some unbelievable panties yet again. What were those? I don’t even know what to call that treat.”

“Sigh. ‘Yet again’? You make it sound like you see your sister’s underwear on a regular basis, you bastard.”

Ahem.

We held that discussion while I retreated to the second floor. And the floor below was still shaking so violently you would think someone was shooting a Vulcan cannon around. …Erika was probably blushing and writhing around while Ayumi may have confused it for a spontaneous boss battle and leaped at her. But if I stayed in the empty hallway, I would probably be captured almost immediately, so I probably had to close myself in my room.

With that in mind, I turned the doorknob and entered my home ground. But just then…

“Warning.”

“?”

“Hee hee hee. Would you like dinner? Would you like a bath? Orrrr, would you like Valkyrie Karen in newlywed mode!?”

Something unbelievable suddenly appeared with a huge smile.

She had straight, waist-length blue hair and almost transparently white skin. She was not quite as curvy as Erika, but she had the perfectly-proportioned feminine beauty of a Greek sculpture. And frighteningly enough, she was not a bunny girl today. She was fully-equipped in blue divine armor that included a miniskirt.

What was this?

Why was she here!?

“You know what? I’m not even going to get into it. Anyone who’s curious can do a search for ‘Valkyrie Karen’. So I guess it doesn’t really matter, but this is not the time for newlywed mode! I’m in the middle of a delicate situation here!!”

“Eh? …Are you more turned on by the gloomy widow mode where I can’t let go of the past? In that case…let’s see, where did I put my mourning clothes? Oh, I only have a Western one and not a kimono. Does that still fit your fetish needs???”

“I’m not enough of a connoisseur to enjoy that kind of guilty scenario! And just tell me why you came!!”

“Well, I haven’t cum yet…”

“I don’t need your clichéd jokes! Just tell me!!”

“Hmm,” groaned Karen while seating her nice body on my bed, crossing her legs, and crossing her arms.

It was a real shame she was wearing that armor over her chest. Her arms would have pushed them up from below otherwise.

“It’s not like this is the first time I’ve been here. I was just checking to see if you’d finally made up your mind.”

“How many times do I have to tell you I’m not naïve enough to unconditionally believe you about that? Although I’ll admit I was relieved to find you’re alive and I can’t deny that having you defenselessly sitting on my bed and getting your feminine warmth on it is rapidly increasing its value and turning into a rare treasure for a teenage boy!!”

“Huh? You mean your monster sisters don’t do this?”

…I couldn’t say they never did. And I had never said its value had started at zero.

“Anyway, this might be a selfish thing to say as the person who killed you, but I just can’t completely trust you. Not when the bunny girl behind that Colosseum is asking me to join forces with her.”

“That’s fine, but aren’t you the one that needs help, not me? I’m not threatening you or forcing you. It’s a benevolent suggestion. I see it as a goddess reaching out a helping hand to someone in need.”

“…”

“I mean, look.”

Karen casually pointed her thumb out the window.

She was technically pointing at my forehead glasses Class Rep’s room next door. Even from here, I could see someone lying on the bed while entirely motionless.

“Aren’t you in a major bind since your friend won’t wake up due to an invisible and unidentified curse? So if you ask me, you should quit being stubborn and ask the gods for some help.”

…Dammit.

How had this happened!?

[crucial notice] Old Bright Cross Special Manual – Entry on Curses [on the pinup board]

1. A paranormal phenomenon powered by the emotions of a thinking being, either living or dead. Especially one with the power to harm other people.

2. A technique that applies directionality to a supernatural being or energy, but without the level of development seen in giant systemized religions. Applies to wishes for abundant harvests, rain, or healing. Usually focuses more on bloodline or emotional strength than technique.

3. The act or ability to borrow a god or buddha’s power to punish other members of a community as a means of protecting that community. In some cases, the god or buddha acts directly.

Due to the conflation of curses, hexes, spells, etc. and due to translations from other languages, the word has taken on many different meanings, so caution is necessary when analyzing documents and testimonies. And there are cases that fall under multiple definitions like when the god or buddha of #3 have their power redirected with the techniques of #2 and the god or buddha is insulted at being treated so lightly and takes revenge in an attack that falls under #1.

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