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

“HEY, HEY, HEY~??”

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Inside the bus, a girl’s singing voice echoes through the bus.

The song is a love song by a female idol group.

The girl is holding a handy type karaoke microphone, so there is not much echo or other effects.

However, the girl singing must be quite used to karaoke.

Her voice is clear and quite good.

Even though her voice is loud, her singing is not annoying.

She also uses vibrato, shuffling, falls, and long tones beautifully.

The problem was the voices around her.

“Yeeeets!”

“Hu-hu-hu-hu-hu!”

“Ennkkka-chan~!!!!”

It is no exaggeration to say that they were barbaric voices, and the voices of several male students were coming from behind the seats.

To put it bluntly, it is nothing but noise.

The girl who was singing …… No, isn’t that a good enough description?

Sakurajima Enka, a beautiful white gal-like girl with long hair, dyed a stunning platinum blonde, made a horizontal V-sign with her eyes and posed with her body twisting as soon as she had finished singing.

“Sai koooooo!” (Notes: Saikou- To describe something, ‘The Best’ ‘This Is It’ and likes.)

“Kawaii yo yo~!”

“L-O-V-E, love, love, love, Enka!”

“Marry me!”

“Encore! Encore!”

Hearing these shouts behind me, I looked down at the five or so cookies left in the box.

“Um,… Are they not tasty?”

The girl sitting next to me who asked that anxiously (she’s also a pretty girl), Ishida’s younger sister, Meika, looked into my face.

“No, it’s not.
It’s delicious, very delicious.”

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I made a smile and answered that, but in reality my mouth was full of powdery taste.

Perhaps it wasn’t baked long enough, but the cookies were unevenly baked and there was a lot of flour dust left on them.

Unfortunately, I had not brought any drinks on the bus.

Therefore, I couldn’t get rid of the feeling of flour sticking to my throat.

“Yuu-san, if it doesn’t taste good, you don’t have to force yourself to eat it.
……”

Seeing the sad look on Meika-chan’s face when she said that, I couldn’t say, “Then I’ll leave it.”

I’m sure she made these cookies for me with all her might, with hands she’s not used to.

“No, they’re really delicious.
Don’t worry about it.
I’ll have them all.”

I said and forced the remaining five cookies into my mouth.

When I get to the service area, I’ll be the first to buy a drink.
I thought.

“Isshiki-san~!”

The one who hugged me like that around the neck, as if she were kissing me, was Enka, who had been singing along in a groove just a moment ago.

Throwing her outstanding figure on top of Meika-chan.

“En-chan, you’re heavy!”

Meika-chan’s mouth twitches.

“Gomen gomen.
But you’ve already passed your shift time by three minutes.
For that reason, I’ll just say I couldn’t wait.”

It seems that Meika-chan and Enka have decided to “take turns to sit next to me for an hour”.

Meika-chan reluctantly got up from her seat and sat in an empty seat on the other side of the aisle.

“Hey, hey, Isshiki-san.
How good is my performance?”

Enka asked this with a confident smile as she nibbled on my neck.

“Awesome.
Is this okay?”

With a suitable reply, I untied Enka’s hands from around my neck.

“What~? I’ve gone to the trouble of refusing other people’s invitations to ‘come closer’ and sit next to Isshiki-san!”

Enka makes a dissatisfied face at once.

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A normal man would have thought this kind of expression on this girl’s face was “kawaii”.

But I know how black-hearted she is.

“I never asked you to do that, did I?”

Then all the older boys in the back seat shouted at once.

“Enka-chan! Leave that cold hearted guy alone and come over here!”

“Yeah, let’s play a game with us!”

“Isshiki, you’ve already got Touko and level Enka-chan!”

“Don’t monopolise both of the pretty sisters! Give me at least one of them, Enka-chan, over here!”

“It’s not just two.
If you include Meika, Isshiki has all three beautiful girls to himself! This is unfair! We demand redistribution!”

I said back to these senpai.

“I’m not monopolising anyone! And you have a problem with talking about girls like that!”

Then a lot of regretful voices came from behind me.

“Damn it, only Isshiki gets the best of it!”

“Isshiki, explode!”

“I’ll bury you in the snow!”

I could hear them mumbling after that.

I laughed.

With those voices in the background, Enka put her hands on my shoulders again.

Presses!

Her bust, which is so rich that it’s hard to believe she’s seventeen, is pressed against my left arm.

It’s quite elastic.

Then, she whispered as if she was putting her chin on my shoulder.

“But you know, as expected, Isshiki-san, I think you’ve started to think of me as ‘regrettable’, haven’t you?”

That exhale falls on my cheek.

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But I shifted myself away from her.

“Nothing.
It doesn’t matter to me who you’re popular with or who makes you feel good about yourself.”

“Nn, geez! You’re cold!”

Enka, whose position had become unnatural due to my shifting her body, sat up and sat back down on the seat again.

“I guess it’s just that I’m no match for my sister.
……”

She muttered sadly.

I was a little too rough on her, wasn’t I?

When I see Enka like that, even I start to feel guilty.

“That’s why I told you not to say that.
You’re attractive enough as you are.
In fact, in less than an hour, you’ve been irresistible to many of the boys in this circle.”

“I don’t need any lame comforting!”

Enka says sulkily.

It’s not good, this guy is the type that when her mood goes towards depression, she gets depressed to the point of exhaustion.

Her complex feelings towards her older sister, Touko, are especially big.

“It’s not a false compliment.
I also admit that you’re pretty.
But I’m going out with your sister, Touko-san.
I can’t get into a weird atmosphere with you, her sister, can I?”

“On my part, I want to get into that ‘weird atmosphere’ and steal Isshiki-san away from your sister!”

“Don’t say that in a loud voice! We’re on a bus, people will hear us.”

“Tehehe~”

Enka sticks her tongue out while doing her “knickknack” on her own head.

She seems to be feeling better.

Seeing Enka like that and Meika-chan staring at us from the other side of the aisle, I was reminded once again of the events leading up to this skiing camp.

At the end of February, we were participating in the circle’s ski camp.

But there was one problem here.

It was that “the number of people who wanted to participate in the camp fell below the minimum number of reservations”.

I was partly to blame for this.

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At the Christmas party, Touko-san and I retaliated in full force by confronting Kamokura and Karen, our respective partners, with “proof of their affair”.

As a result, Karen and Kamokura are no longer in the circle.

Four boys who worshiped Karen like an idol and more than ten girls from a women’s university who were Kamokura’s fans left the circle.

So it was suddenly decided to look for a few more people to meet the least number of reservations.

Hearing about this, we turned to Touko’s younger sister, Enka, and Ishida’s younger sister, Meika.

They are both high school sophomores and said it was just the period of vacation after the tests.

So the girls decided to join this ski camp.

It was very awkward for me.

The reason is that about a month before this, these two girls had declared their candidacy as girlfriends.

I can still understand Meika-chan.

She is the younger sister of my best friend Ishida, and we have known each other since junior high school.

And I had heard from Ishida that “Meika has a crush on Yuu”.

However, I was surprised when she said she was interested in becoming my girlfriend.

After all, she approached me in order to ‘make me and Touko break up and get together with Meika’.

That’s why my impression of Enka was terrible in the beginning.

She came to blackmail me with a beauty trap, too.

What could go wrong with that?

I looked at Enka again, half-amused, remembering what had happened a few weeks ago.

Enka was fiddling with her phone.

But she must have noticed my gaze.

She looks at me and smiles.

I unintentionally got a kick out of that expression.

It’s true that this she is an extraordinarily beautiful girl in normal eyes.

I looked out the window to distract myself from that thought.