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My Girlfriend Cheated on Me With a Senior, so I’m Cheating on Her With His Girlfriend Chapter 1 Part 1

THIS IS A FAN TRANSLATION, THOUGH THE WEBSITE NAME…HAS MTL IN IT…

My girlfriend cheated with a senpai; Part 1

TL: Furby
ED: DannY

I, Isshiki Yuu, had seen something that had my hands trembling.

… That’s a lie… It can’t be true… Right?

However, that which had appeared on the smartphone’s screen expressed, to a painful degree, the kind of relationship the two of them had.

> (Kamokura-senpai) Karen, have you arrived yet?

> (Karen) Yeah, I just arrived home.

> (Kamokura-senpai) Same here, I just returned to my house too. But you know? I already want to see you, Karen.

> (Karen) Karen’s the same! Senpai’s sensation is still fresh on her mind!

{ED/N: I think this is the thingy where girls refer to themselves in the third person for cutesy purposes}

> (Kamokura-senpai) [‘Thumbs up’ sticker]

> (Karen) [‘Super!’ sticker]

> (Kamokura-senpai) Karen, you’re great, for real. How about you become mine and mine alone?

> (Karen) E~h, but doesn’t senpai have a girlfriend? Sakurajima Touko-senpai.

> (Kamokura-senpai) But you know? I truly believe that my body and yours have a good compatibility, wouldn’t you say so?

> (Karen) Karen thinks so too!

> (Kamokura-senpai) Right? Then let’s make it so we can be together for more time!

> (Karen) Even just once a week is ♡!

> (Kamokura-senpai) I would be fine even everyday!

> (Karen) Lol

> (Kamokura-senpai) Even you yourself said it Karen, that I’m better than Isshiki.

As you’d imagine, I couldn’t get myself to read anything past that point. Only a few times of scrolling down was enough.

I took a picture of that screen with my own mobile.

There were around 3 other exchanges by message between them in the same spirit.

If I remember correctly, those days were the ones in which she didn’t meet with me.

The days she said she ‘met with a friend’, ‘went to eat with her family’, ‘had a report to do’.

However, the truth is that on those days, Mitsumoto Karen, who was supposed to be my girlfriend, had met with a senpai from my circle, Kamokura Tetsuya… And in a love hotel, and many other places…

Looking at a relationship counseling webpage aimed at women, I discovered that they say these kinds of things are the fault of the boyfriend.

—The boyfriend who doesn’t believe his girlfriend is at fault—

—It’s because the boyfriend doesn’t treasure her as he must that he’s cheated on. You reap what you sow—

—To have the nerves to look at other people’s phone without their permission! The worst of the worst!—

I returned Karen’s smartphone to where it was, her jacket.

A few days prior, Karen changed phones. She said something about the fingerprint recognition sensor not working properly, so she changed the lock to PIN mode. I know that PIN. It’s her ex-boyfriend’s birthday. It was only by accident that I happened to hear and know that day.

And so, when Karen’s phone vibrated, I looked at the screen that had ‘Youko-senpai’ displayed on it and ended up unlocking it.

As for why, that’s because ‘Youko-senpai’ is a senpai of mine from my part-time job. They shouldn’t be acquainted with Karen.

Then, when it opened, what appeared on the screen was the aforementioned conversation… That’s how we got here.

We’re at a love hotel. And at the moment, Karen is showering.

I put on the clothes which I had taken off and thrown to the floor and left the hotel without saying a word.

Having walked a distance, I sent a message to her: ‘Something came up. I’m leaving first.’

Not heading towards the train station closest to the hotel, I wandered aimlessly with an unsteady gait.

I have no idea what I would’ve done had I remained at the hotel and looked at Karen’s face.

Would I have cornered her with questions? Would I have lost all composure and bawled my eyes out? Or maybe, would I have ended up getting violent with Karen?

It was to prevent that from happening that I left the hotel alone.

I could not think clearly in the least from the shock.

It feels like my head was running in circles. As if I were in a daze or a dream.

… That must be it. Please just let it be a nightmare…

Nonetheless, I was fully aware that this was not a dream. This was real.

I—Jouto University’s Science and Engineering Department’s freshman of Computer Science, Isshiki Yuu, had just had

My girlfriend—Jouto University, Literature Department’s freshman of British and English literature, Mitsumoto Karen— ‘cheat on me’.

And the other party was a senpai from both high school and university, and moreover, someone from my circle of friends, ‘Kamokura Tatsuya’.

I had this feeling, so hard to put into words, like my heart was about to burst, and at the same time, it felt so empty.

Without realizing it, I had walked all the way over to the Edogawa bank.

{TL/N: The bank of a river, not money, please}

Having my mind burning up, this was actually a perfect outcome.

I seated myself at the bank and remained staring at the river for a while.

… That Kamokura bastard. How dare he lay his hands on Karen?! And in spite of him having such a beautiful girlfriend himself…

Kamokura Tetsuya’s girlfriend, Sakurajima Touko was a sophomore from the same Jouto University Science and Engineering Department’s computer science major.

All three of us, Kamokura Tetsuya, Sakurajima Touko, and me, graduated from the same Kaihimmakuhari Prefectural High School and are in the same university, same department, and same major. Moreover, we were all part of the same circle of friends.

Touko-senpai is a beauty of such fame that there is no one in the university that doesn’t know about her.

Refined looks that expressed her knowledge and gracefulness coupled with a body endowed with such outstanding proportions that makes other women jealous. People in the university call her ‘the secret Miss Jouto University’ or ‘the true queen of the campus’. 

Actually, I heard that Touko-senpai was nominated for the ‘Miss Jouto University’ contest held during the campus festival and it was a given that she’d win so long as she made an appearance. However, she declined the invitation herself.

An intelligent woman who doesn’t indulge in her own outer beauty and instead properly understands her own merits.

Needless to say, even when we were in high school, she was already the target of many boys. Because back then she was the president of the literature club and a librarian, she was always in the library. Thanks to that, she got the moniker ‘Goddess of the Library’.

As a result, male students went to the library hoping to see her, and if someone happened to see her on their way to or from school, that would become the hottest topic of the moment. I too am one of those male students who had been looking up to her since high school.

The one with whom Touko-senpai started to go out with starting her second year of university was Kamokura Tetsuya, who is one year older than her.

… I wonder… Does Touko-senpai know that Kamokura was cheating on her with Karen…?

Anger and chagrin suddenly burst forth within my chest.

“I can’t leave this as it is.”

That thought took over my whole reasoning. I took out my phone.

From the contacts list of saved numbers in it, I selected ‘Sakurajima Touko’ and pressed the call button.

By the third tone, the person on the other side answered.

“Hello?”

In the middle of the storm brought upon by the anger, the sadness, and the despair, I tell her in a half-asleep tone.

“Touko-senpai, please have an affair with me.”

“That’s…what you said to her? You… To that ‘true Miss Jouto University’?”

Ishida Youta stared at me with eyes of disbelief.

“Yeah, I already felt like nothing didn’t matter anymore at that time.”

Without a doubt, I had said that irresponsibly.

Ishida Youta. I knew this guy since we were in middle school.

Though our schools were different then, we went to the same cram school, where we started to get along well, and in high school, we were in the same class for all three years. Even our university, department, and major were the same.

When I sent him a message telling him ‘Karen cheated on me. And with Kamokura-senpai’, he came all the way to my house out of concern.

“And, what did Touko-senpai answer?”

I could hear Ishida gulp as he said it.

“Touko-senpai…”

With a vacant look in my eyes, I recounted what happened.

“You, just what are you saying?”

At my opening line, Touko-senpai, half in shock and half in disbelief, asked me.

“You didn’t understand it? I meant to say, please have s*x with me.”

I stated it in the most indifferent tone. How everyone in the world saw me, if people around me started talking behind my back, I no longer cared.

After a long period of silence, Touko-senpai finally spoke.

“Did something happen?”

Despite it being a voice that had been processed and produced by a phone, that voice of hers clearly held her true worry for me.

I couldn’t answer that. I could not even think about where I should start.

… Your boyfriend stole my girlfriend…

… As payback for that, I want to steal you from him…

… I have that right…

… You, who had been betrayed by him, have to do the same to him…

Those lines, those fragments of feelings went round and round in my head. And yet, they couldn’t find their way out as words.

Again, for a second time, Touko-senpai’s voice was heard from the phone.

“Something has happened to you, right? I want you to tell me. Because I don’t think you’re the kind of person who would say that sort of nonsense without a good reason.”

The instant I heard those words, tears overflowed from both of my eyes.

That’s right, I’m not someone who lacks common sense. If I had to choose one, I’m a normal person.

They’re the ones who are being insane. Kamokura Tetsuya and Mitsumoto Karen.

The man who so calmly puts on a fake senpai face after stealing his kouhai’s girlfriend, and the girl who nonchalantly has an affair with her boyfriend’s senpai.

Having had that pointed out to me by Touko-senpai, my feeling of frustration escaped all at once at the same time as my tears flowed.

“M-my girlfriend, Karen and… Kamokura-senpai… are having an affair… I, I don’t know… Just what I should do…”

Saying that in between my sobbing was all I could do.

I thought I heard Touko-senpai holding her breath on the other side of the phone.

“… Is that really true? Are you certain?”

“I wish it was all… A lie… I really do…”

I could not voice any more thoughts. Only my sobbing and sniffling could be heard on the phone.

“Isshiki-kun, for now, try to calm down. I’ll ask you for the details tomorrow. Until then, make sure not to tell others about this.”

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My Girlfriend Cheated on Me With a Senior, so I’m Cheating on Her With His Girlfriend Chapter 1 Part 1

My Girlfriend Cheated on Me With a Senior, so I’m Cheating on Her With His Girlfriend Chapter 1 Part 1

THIS IS A FAN TRANSLATION, THOUGH THE WEBSITE NAME…HAS MTL IN IT…

My girlfriend cheated with a senpai; Part 1

TL: Furby
ED: DannY

I, Isshiki Yuu, had seen something that had my hands trembling.

… That’s a lie… It can’t be true… Right?

However, that which had appeared on the smartphone’s screen expressed, to a painful degree, the kind of relationship the two of them had.

> (Kamokura-senpai) Karen, have you arrived yet?

> (Karen) Yeah, I just arrived home.

> (Kamokura-senpai) Same here, I just returned to my house too. But you know? I already want to see you, Karen.

> (Karen) Karen’s the same! Senpai’s sensation is still fresh on her mind!

{ED/N: I think this is the thingy where girls refer to themselves in the third person for cutesy purposes}

> (Kamokura-senpai) [‘Thumbs up’ sticker]

> (Karen) [‘Super!’ sticker]

> (Kamokura-senpai) Karen, you’re great, for real. How about you become mine and mine alone?

> (Karen) E~h, but doesn’t senpai have a girlfriend? Sakurajima Touko-senpai.

> (Kamokura-senpai) But you know? I truly believe that my body and yours have a good compatibility, wouldn’t you say so?

> (Karen) Karen thinks so too!

> (Kamokura-senpai) Right? Then let’s make it so we can be together for more time!

> (Karen) Even just once a week is ♡!

> (Kamokura-senpai) I would be fine even everyday!

> (Karen) Lol

> (Kamokura-senpai) Even you yourself said it Karen, that I’m better than Isshiki.

As you’d imagine, I couldn’t get myself to read anything past that point. Only a few times of scrolling down was enough.

I took a picture of that screen with my own mobile.

There were around 3 other exchanges by message between them in the same spirit.

If I remember correctly, those days were the ones in which she didn’t meet with me.

The days she said she ‘met with a friend’, ‘went to eat with her family’, ‘had a report to do’.

However, the truth is that on those days, Mitsumoto Karen, who was supposed to be my girlfriend, had met with a senpai from my circle, Kamokura Tetsuya… And in a love hotel, and many other places…

Looking at a relationship counseling webpage aimed at women, I discovered that they say these kinds of things are the fault of the boyfriend.

—The boyfriend who doesn’t believe his girlfriend is at fault—

—It’s because the boyfriend doesn’t treasure her as he must that he’s cheated on. You reap what you sow—

—To have the nerves to look at other people’s phone without their permission! The worst of the worst!—

I returned Karen’s smartphone to where it was, her jacket.

A few days prior, Karen changed phones. She said something about the fingerprint recognition sensor not working properly, so she changed the lock to PIN mode. I know that PIN. It’s her ex-boyfriend’s birthday. It was only by accident that I happened to hear and know that day.

And so, when Karen’s phone vibrated, I looked at the screen that had ‘Youko-senpai’ displayed on it and ended up unlocking it.

As for why, that’s because ‘Youko-senpai’ is a senpai of mine from my part-time job. They shouldn’t be acquainted with Karen.

Then, when it opened, what appeared on the screen was the aforementioned conversation… That’s how we got here.

We’re at a love hotel. And at the moment, Karen is showering.

I put on the clothes which I had taken off and thrown to the floor and left the hotel without saying a word.

Having walked a distance, I sent a message to her: ‘Something came up. I’m leaving first.’

Not heading towards the train station closest to the hotel, I wandered aimlessly with an unsteady gait.

I have no idea what I would’ve done had I remained at the hotel and looked at Karen’s face.

Would I have cornered her with questions? Would I have lost all composure and bawled my eyes out? Or maybe, would I have ended up getting violent with Karen?

It was to prevent that from happening that I left the hotel alone.

I could not think clearly in the least from the shock.

It feels like my head was running in circles. As if I were in a daze or a dream.

… That must be it. Please just let it be a nightmare…

Nonetheless, I was fully aware that this was not a dream. This was real.

I—Jouto University’s Science and Engineering Department’s freshman of Computer Science, Isshiki Yuu, had just had

My girlfriend—Jouto University, Literature Department’s freshman of British and English literature, Mitsumoto Karen— ‘cheat on me’.

And the other party was a senpai from both high school and university, and moreover, someone from my circle of friends, ‘Kamokura Tatsuya’.

I had this feeling, so hard to put into words, like my heart was about to burst, and at the same time, it felt so empty.

Without realizing it, I had walked all the way over to the Edogawa bank.

{TL/N: The bank of a river, not money, please}

Having my mind burning up, this was actually a perfect outcome.

I seated myself at the bank and remained staring at the river for a while.

… That Kamokura bastard. How dare he lay his hands on Karen?! And in spite of him having such a beautiful girlfriend himself...

Kamokura Tetsuya’s girlfriend, Sakurajima Touko was a sophomore from the same Jouto University Science and Engineering Department’s computer science major.

All three of us, Kamokura Tetsuya, Sakurajima Touko, and me, graduated from the same Kaihimmakuhari Prefectural High School and are in the same university, same department, and same major. Moreover, we were all part of the same circle of friends.

Touko-senpai is a beauty of such fame that there is no one in the university that doesn’t know about her.

Refined looks that expressed her knowledge and gracefulness coupled with a body endowed with such outstanding proportions that makes other women jealous. People in the university call her ‘the secret Miss Jouto University’ or ‘the true queen of the campus’. 

Actually, I heard that Touko-senpai was nominated for the ‘Miss Jouto University’ contest held during the campus festival and it was a given that she’d win so long as she made an appearance. However, she declined the invitation herself.

An intelligent woman who doesn’t indulge in her own outer beauty and instead properly understands her own merits.

Needless to say, even when we were in high school, she was already the target of many boys. Because back then she was the president of the literature club and a librarian, she was always in the library. Thanks to that, she got the moniker ‘Goddess of the Library’.

As a result, male students went to the library hoping to see her, and if someone happened to see her on their way to or from school, that would become the hottest topic of the moment. I too am one of those male students who had been looking up to her since high school.

The one with whom Touko-senpai started to go out with starting her second year of university was Kamokura Tetsuya, who is one year older than her.

… I wonder… Does Touko-senpai know that Kamokura was cheating on her with Karen…?

Anger and chagrin suddenly burst forth within my chest.

“I can’t leave this as it is.”

That thought took over my whole reasoning. I took out my phone.

From the contacts list of saved numbers in it, I selected ‘Sakurajima Touko’ and pressed the call button.

By the third tone, the person on the other side answered.

“Hello?”

In the middle of the storm brought upon by the anger, the sadness, and the despair, I tell her in a half-asleep tone.

“Touko-senpai, please have an affair with me.”

“That’s…what you said to her? You… To that ‘true Miss Jouto University’?”

Ishida Youta stared at me with eyes of disbelief.

“Yeah, I already felt like nothing didn’t matter anymore at that time.”

Without a doubt, I had said that irresponsibly.

Ishida Youta. I knew this guy since we were in middle school.

Though our schools were different then, we went to the same cram school, where we started to get along well, and in high school, we were in the same class for all three years. Even our university, department, and major were the same.

When I sent him a message telling him ‘Karen cheated on me. And with Kamokura-senpai’, he came all the way to my house out of concern.

“And, what did Touko-senpai answer?”

I could hear Ishida gulp as he said it.

“Touko-senpai…”

With a vacant look in my eyes, I recounted what happened.

“You, just what are you saying?”

At my opening line, Touko-senpai, half in shock and half in disbelief, asked me.

“You didn’t understand it? I meant to say, please have s*x with me.”

I stated it in the most indifferent tone. How everyone in the world saw me, if people around me started talking behind my back, I no longer cared.

After a long period of silence, Touko-senpai finally spoke.

“Did something happen?”

Despite it being a voice that had been processed and produced by a phone, that voice of hers clearly held her true worry for me.

I couldn’t answer that. I could not even think about where I should start.

… Your boyfriend stole my girlfriend…

… As payback for that, I want to steal you from him…

… I have that right…

… You, who had been betrayed by him, have to do the same to him…

Those lines, those fragments of feelings went round and round in my head. And yet, they couldn’t find their way out as words.

Again, for a second time, Touko-senpai’s voice was heard from the phone.

“Something has happened to you, right? I want you to tell me. Because I don’t think you’re the kind of person who would say that sort of nonsense without a good reason.”

The instant I heard those words, tears overflowed from both of my eyes.

That's right, I’m not someone who lacks common sense. If I had to choose one, I’m a normal person.

They’re the ones who are being insane. Kamokura Tetsuya and Mitsumoto Karen.

The man who so calmly puts on a fake senpai face after stealing his kouhai’s girlfriend, and the girl who nonchalantly has an affair with her boyfriend’s senpai.

Having had that pointed out to me by Touko-senpai, my feeling of frustration escaped all at once at the same time as my tears flowed.

“M-my girlfriend, Karen and… Kamokura-senpai… are having an affair… I, I don’t know… Just what I should do…”

Saying that in between my sobbing was all I could do.

I thought I heard Touko-senpai holding her breath on the other side of the phone.

“… Is that really true? Are you certain?”

“I wish it was all… A lie… I really do…”

I could not voice any more thoughts. Only my sobbing and sniffling could be heard on the phone.

“Isshiki-kun, for now, try to calm down. I’ll ask you for the details tomorrow. Until then, make sure not to tell others about this.”

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