Source

https://kakuyomu.jp/works/16818093086092278099/episodes/16818093086092295107

“Cuckoldry is so disgusting~”

I muttered to myself as I threw down my phone.

What I had been reading on my phone earlier was a manga about NTR, and since the protagonist and heroine were good friends, it was heartbreaking.

But I still tapped on it because of the magical power of the illustrations, and I couldn’t help but get excited by the simplicity of the rest of the story.

“It’s amazing that even though NTR is a heart-wrenching content, my body still gets honestly excited…..maybe I’m not the only one this happens to.”

I’m sure my fellow geek friend is the same way, but he’s a guy who hates NTR, and I wonder if he’s not like me…..?

“Haa……”

But, well, maybe I’m going for this lingering feeling of indescribable bewilderment.

After a few moments of zoning out like that, I picked up my phone again and involuntarily tilted my head in a geekish manner.

“What’s this….?”

There was a strange app on the screen.

“NTR Sensor……?”

The name of the app seemed to be [NTR Sensor] and I didn’t recognize it at all.

I thought it had been installed without my permission and was about to uninstall it, thinking it might be a virus, but a slight tap of my finger activated the app.

“Crap…..”

My personal information was leaked…..it seems not, the app just started normally.

“What the hell is this……”

The screen lit up like a sensor, followed by the app’s description.

‘This NTR Sensor reacts to signs of the occurrence of a cuckold scene that will bring a catastrophe or misfortune to the couple. If you head to the location where this app reacts, you will surely find the perpetrator and the victim trying to cuckold their partner there.’

“…..Huh?”

What’s with this app…..I can only get that impression.

It’s a complete joke, or…….there’s no way there’s an app that makes this kind of sense, and it makes me feel like I’d rather have a hypnosis app than send something like this.

‘This app is the force that will exterminate all cuckoldry. When you arrive on the scene, guided by this app, you will be able to deal with forces that are not inherently possible and fight off the other spouses.’

“Are you Superman?”

As I was thinking this, a high-pitched beeping sound came from my phone.

“W-what the…..!?”

Apparently, an app had been activated, and it was showing the direction north from here.

“……Well, I’m not busy today, so I might as well play around.”

At the time, I didn’t believe this at all.

Because, you know? I knew that if such an impossible app existed, the world would be in a lot of trouble.

“Mom ! I’m going out for a minute~”

“Be careful~!”

After calling out to my mom, I ran out of the house.

I arrived at the park, which was usually crowded, but it was quiet with only a few parents and children playing.

“Is this the place……?”

The app showed me this place.

As I walked further into the park, I saw something I couldn’t believe.

“T-that’s….!?”

It was behind a tree, and I reflexively crouched down to hide.

“Please…let me go !”

“Oh, c’mon, it’s been a long time since we met again, isn’t it?”

“What are you doing now that you dragged me into a place like this? Just get away !”

It was an exchange between a man and a woman, but clearly not a normal exchange.

I don’t know the guy, but I knew the girl–Aizawa, a classmate.

“Aizawa……?”

Aizawa Runa….a beautiful girl with an outstanding style, and she is truly an unreachable flower.

She has a beautiful face, but more than anything, her ample breasts are a sight for sore eyes,……and although I never actually say it out loud, I fantasize about touching them, even if only once.

The reason why this wish is not coming true, however, is that Aizawa has a boyfriend.

Aizawa has a boyfriend who is also a classmate of hers, and he is a good-looking guy who is said to be a good match for her.

“We were dating in middle school, weren’t we?”

“We were only dating for a little while ! And you forced me to do it….because you said you’d hurt my friend if I didn’t !”

“But that doesn’t change the fact that we were together, does it? Are you still a virgin? The guy you’re with has no guts to attack you with those big tits in tow.”

“Shut up ! I’m not with someone like you !”

“Haha, I’ve missed that cocky look of yours……hey Runa, I like to make cocky women give in to me. So–”

“Eek !?”

This is….definitely a sign of NTR !?

“…..Is this for real?”

Is this app…..for real?

Aside from me being stunned, the exchange on the other side goes on……the bastard, who looks like a delinquent from the looks of it, starts rubbing Aizawa’s breasts.

The man smirks and laughs sickeningly, and Aizawa is too frightened to move.

[I don’t know much about otaku culture, but I’m sure you can be proud of it.]

I remembered an exchange I had with Aizawa sometime back.

I was talking about manga with a friend when Aizawa walked by. At that time, I simply kept my mouth shut at the appearance of the most beautiful girl in the class, but Aizawa didn’t look disgusted when he saw us like that, but in fact, she said that it was wonderful to have a friend with whom you could happily talk about your hobbies.

“……Haa, I guess I’ll just have to do it.”

Even if we didn’t have such an exchange, there is no reason not to help a classmate in a crisis.

This probably wouldn’t have changed even if I didn’t have this app and happened to witness this moment.

“Stop, you son of a bitch !”

I raised my voice to save Aizawa.

“Ahn?”

“……Kamiki kun……!?”

I suddenly appeared, and their gazes pierced me.

Aizawa is already shedding tears, a crying face that doesn’t suit her, who always looks dignified in class but smiles a lot.

“What the hell, don’t interrupt me, you scum !”

“You’re the scum, aren’t you? It’s crazy to force a crying girl…..my bad. You seem so stupid that you can’t even think of that.”

“……Ha?”

Hm?

I feel like my mouth is lighter than usual…was I always like this?

Apparently seeing me as an enemy, the man let go of Aizawa and started rushing toward me.

“Aren’t you being too cocky?”

“You’re being awfully aggressive~, we’re probably the same grade, aren’t we? You’re obviously a delinquent, dyeing your hair like that and wearing piercings all over your body. Don’t make your parents cry, okay?”

“…You’re annoying”

Apparently, my words stung him a little.

The man swung his arms and struck at me,……but it wasn’t my imagination that his movements seemed so slow.

I could slowly hear the screams of Aizawa, who closed her eyes because she didn’t want to see them…I simply avoided his movements and pushed him away.

“Ora !”

“Guh !?”

The man was easily pushed away by me and fell on his buttocks.

The man, who didn’t seem to understand what had happened, stood up again and tried to hit me, but the result was the same as before.

“W-what the hell is going on……?”

“…………….”

Don’t tell me….this is the power that application was talking about?

When I thought about that, I felt a flood of confidence and a desire to protect Aizawa…that’s why I felt so strongly that I had to fight him off, even if it meant scaring him.

NTR is unacceptable,……and there should be no such thing as tearing apart a couple who love each other !

“Fuh !”

I had only lightly punched the tree, but it was dented.

Inwardly apologizing to the tree, I approached the stunned man and told him.

“Don’t mess with her any more–if I see you again, you’ll turn out like this, got it?”

“G-got it……ughhhhhh ! !”

The man was completely freaked out and ran away with his tail between his legs.

(……Seriously? I did it…….)

At least, I don’t have the power to scare others with just words.

But looking at that guy,……I wonder if it’s because of the app that I can scare people like that if I want to.

“Oh, right.. Aizawa, are you okay?”

“Kamiki kun,…….”

Aizawa, perhaps relieved, shed a large tear and hugged me tightly.

“Oho ! So soft ! !)

Soft….I won’t say what, but soft !

But the one who hugged me was a girl who was about to be assaulted,…..I should give her the maximum comfort I can give her.

“Um…..I found you by accident, but I’m glad it was before something happened to you.”

“I was scared….I was too scared to do anything about it. ……”

“No, no, I don’t think there are many people who approach you like that…and Aizawa is a girl. It would be difficult to escape if you were restrained by force.”

“……Honestly, I thought it was over…..but,……”

“I’m really glad I was able to help. My body moved reflexively, but I also feel like complimenting myself for doing it.”

Anyway, I tried to be cheerful with her.

Aizawa was back to her usual self after a short time and seemed to remember that she had a rendezvous with her boyfriend.

“Thank you so much, Kamiki kun.”

“It means a lot. If I can save a beautiful girl, I’ll go through fire and water !”

“That’s…..I’m not that kind of a woman to be called that—”

“No, no, you’re so beautiful ! Your embarrassed face is so cute !”

“…….”

“I’m heading back. See you at school !”

“Y-yeah ! Thank you, Kamiki kun !”

I left Aizawa.

“This app….might really be for real.”

There really is an NTR scene, and I could even demonstrate the power to make people think I’m not the original me,…..as well as that slow-seeming phenomenon.

This could really be an app that has the potential to destroy NTR.

The target of the occurrence is someone who has a lover, so even if I didn’t have some kind of connection to them…..I feel like anything is fine as long as it makes them smile like that.

“I’m gonna use it for a while without turning it off…….!”

Thus began my strange new life.

Together with the app [NTR Sensor] that suddenly appeared on smartphones, these bastards bring despair to couples…and sometimes even women to bloodbath.

That was the beginning of my–Kamiki Masato and his tumultuous days.

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Shanks
Shanks
14 days ago

The irony, he’s gonna ntr everyone while fighting ntr

FifthG
FifthG
13 days ago

He will unknowingly become what he swore to destroy. I don’t know if I should call it ironic or poetic.

Haruto
Haruto
12 days ago

A really, really promising “junk food” novel since a while. I hope it stays this strong.

RiamuP
RiamuP
9 days ago

Bro has become the very thing he swore to destroy!