Somehow I Ended up Dating the Perfect Female Classmate, but My Sister Found Out and They're Turning Into Yanderes - Chapter 68-69

Chapter 68: Long-Awaited DV

“Hey, Ayuka-chan. And Kirino-chan and Kiyoto-kun too. Are you two studying on your own today? Uh, who’s that girl with the white hair?”

The headmaster looks a bit confused in front of Satsuna, who clearly doesn’t look like us.

“It’s my first time meeting you. I am Satsuna Nuregami, the younger sister of my big brother.”

“Big brother?”

The headmaster, surprised by Satsuna’s tone, looks at me.

Those eyes probably want to say, “Kiyoto, do you have that kind of hobby?”

No, I mean, sure, I have that kind of hobby, but I’m definitely not forcing her to do anything!

I’m always the one being forced, you know!?

“So, um… is Satsuna-chan here to accompany Ayuka-chan and Kiyoto-kun?”

“Something like that. I’m a bit curious about how my sister and big brother usually study.”

“I see. Well then, you should definitely see how they study.”

Uh, Headmaster, are you sure it’s okay to let her in?

I thought the Headmaster would refuse, and Satsuna would go home, and that would settle it.

Look, Kirino-san is giving the Headmaster a disappointed look.

“Oh, but Ayuka-chan has a class now. Letting someone who isn’t a student into the classroom during class might cause problems… sorry, but could you just accompany Kiyoto-kun?”

Wait, shouldn’t it normally be, “Sorry, but could you go home today?”

That’s the kind of face Kirino-san is making, like she wants to say that.

“It’s fine. I know Ayuka studies well enough, and my main interest is my big brother.”

Ayuka glares at Satsuna for a moment, reacting to the words “well enough” and “main interest.”

Normally, Ayuka would not just glare but start picking a fight with me, but I guess she can’t do that with Satsuna.

“Come on, big brother and Kirino-san, let’s go.”

For some reason, Satsuna, who came to the tutoring center for the first time today, walks ahead.

Kirino-san, walking next to me, hasn’t said a word since earlier.

But her face… she looks clearly upset.

As expected, since there’s no class and it’s the morning, there’s no one in the high school classroom.

“…I heard it was a tutoring center, so I thought the desks and chairs would be brand new, but it’s not a big deal.”

That’s the first thing she says upon entering the classroom.

Even among rich young ladies across the country, no one would notice that first.

Though there are plenty in my imagination.

“So, where do you two usually sit?”

“Usually, there are other students, so we sit at the edge.”

“Oh my, like caterpillars, how cute. But I hate shameless bugs.”

“…”

Why does Satsuna keep provoking Kirino-san like this?

Does she want a bad ending that much?

Or is she confident she could win if Kirino-san resorts to violence?

Judging from the strength of how she pinched my back earlier, she might be stronger than me, but could she really stand up to Rinka or Kirino-san? Probably not.

We sit in the middle seats, with me in between them.

“Kiyoto-kun, if there’s anything you don’t understand or want me to check, just let me know.”

Huh? Her face looks clearly upset, but her voice is normal.

Oh, so her face is just a bit stern, but she’s not actually irritated about anything.

“No need to worry about that. Big brother, I’ll fill that Happy Meal-sized brain of yours with knowledge.”

It’s true that Shinkai Girls’ Academy, where Satsuna goes, isn’t just a school for rich young ladies; it has some of the highest academic standards in the prefecture.

And, of course, queen-like, sadistic girls are supposed to be smart.

“Hey, Satsuna-chan, are you getting a bit cocky because I’m staying quiet?”

…It’s okay.

Her words are a bit rough, but her voice is still normal.

“I’m not getting cocky. I don’t need to do that with a succubus like you.”

“…Kiyoto-kun. I’ve been wondering since we met today, but with that tone, Satsuna-chan goes to some fancy young ladies’ school, right? Which one? Shinkai Girls’?”

“That’s right. I attend that refined academy.”

“I was asking Kiyoto-kun, not you. But whatever, are you really at Shinkai Girls’?”

“That’s what I said.”

“…I thought Shinkai Girls’ was a place for elite girls, but I guess I was wrong.”

“Don’t worry. Not everyone there is refined, but at least there are no prostitutes selling their bodies for money.”

Oh, I just heard the sound of a pen breaking, like before.

“Kiyoto-kun, I can’t take it anymore. Can I shut her mouth?”

Kirino-san stands up and approaches Satsuna.

“Shut my mouth? I thought you only sold your body to men, but to women too?”

“Zip your mouth already!”

Kirino-san’s hand reaches for Satsuna’s face.

But what she actually grabs is my face.

“Huh!? Why Kiyoto-kun!?”

She tries to pull back quickly, but her hand’s momentum doesn’t stop.

As I slide between them, my face gets grabbed and slammed hard onto the desk.

…I finally received DV from Kirino-san.

—

Chapter 69: Beating Play

“Kiyoto-kun, I can’t take it anymore. Can I shut her mouth?”

Oh no.

There have been many bad situations before, but this one is really bad.

“Shut my mouth? I thought you only sold your body to men, but to women too?”

Even though Kirino-san is approaching with a murderous aura, Satsuna keeps provoking her.

…I have to stop this…

They say protecting the master is a pet’s duty.

But even if I hold Kirino-san’s body now, she’ll easily shake me off, and even if I silence Satsuna now, Kirino-san won’t stop.

In that case…

I make up my mind and wait for the right moment.

“Zip your mouth!”

Alright, now!

I quickly stand up and put my face in front of Satsuna’s.

And Kirino-san’s hand firmly grabs my face.

…Tch, her hand isn’t even sweaty.

“Ugh…”

Being grabbed by the face hurts this much?

I used to get excited listening to DV voices, but did the protagonists in that world feel this much pain?

“Huh!? Why Kiyoto-kun!?”

Kirino-san notices she grabbed my face.

But it’s too late.

The momentum doesn’t stop.

“Guahhh!!!!”

My head is slammed hard onto the desk.

“Ah… ahh…”

What’s… this?

It hurts too much… but it feels too good.

Thinking this pain is DV from Kirino-san, it should hurt, but pleasure rushes through my whole body.

“Ahh… huh? W-what’s this…?”

Then I notice.

My forehead feels warm.

“N-no way…”

Is this what I think it is?

This warm feeling is that, right!?

Getting excited over her “stuff” as a boyfriend… is totally fine, right?

I mean, if that hits my face, my pants might rip, and it can’t be helped, right?

Now, if I swallow it, it’ll be the play I’ve always wanted… wait, isn’t this red?

I wipe the “liquid” on my forehead with my finger and see it’s reddish-black.

And it doesn’t smell like that; it smells like iron…

“Haa, haa, haa, I-I…”

Kirino-san looks at me with scared eyes.

It’s okay, Kirino-san.

Even a perfect girl like you has those days.

And you seem embarrassed, but guys these days don’t care at all.

In fact, some would call it a reward.

“I-I… didn’t mean to…”

Huh? But Kirino-san seems too panicked.

And her face isn’t even red.

“Oh my, oh my, what’s this?”

Even Satsuna is staring at me with wide eyes.

…I thought a sadist like Satsuna would make her dormmates do stuff like this…

But, yeah, I guess not.

Being a sadist and just a pervert are completely different.

Still, Satsuna’s acting strange.

But maybe that’s normal.

After all, her body fluid turned reddish-black.

Reddish-black, huh.

Reddish-black, reddish-black, reddish-black… my forehead?

I glance at the desk where I hit my head.

There’s reddish-black liquid spreading, still dripping from above.

Reddish-black, warm, dripping from my forehead…

“Wait, this is blood!!!!”

Yelling makes my brain realize I’m bleeding from my forehead, and my vision starts to blur.

“Kiyoto-kun, are you okay!?”

Kirino-san’s panicked voice sounds muffled.

“…Making my big brother bleed and then rushing to him? A psycho prostitute like you isn’t fit to be his girlfriend.”

“…This isn’t the time to joke, right?”

“I’m not joking; it’s the truth. And stay away from my big brother. Getting beaten again won’t do.”

“…”

I can’t even hear their argument clearly.

I’m just trying to sleep, slumped over the desk.

“I don’t want to make a big deal out of this, and I’m sure my big brother feels the same. So leave it to me, and you, Kirino-san, go home.”

“…”

“Didn’t you hear? You’re just in the way here. If you understand, go home already.”

I barely hear one set of footsteps leaving the classroom.

But that’s the last thing I hear, and my consciousness slowly fades, like a theater before a movie, disappearing with the pleasure still coursing through my body.