Revenge Karma: She Broke Our Childhood Promise, But Her Tomboy Best-friend Saved Me.

The Moth and the Mask



(Akane's PoV)

The corridor leading to the top students' classrooms was significantly less crowded than the chaotic corridors on the lower floors.

The students up here were generally quieter, more focused on impending university entrance exams, or perhaps just too perpetually exhausted to care about the juniors' drama.

I was walking at a steady pace, my leather bag slung over my shoulder, mentally preparing myself for a morning of excruciatingly boring lectures, when I saw her.

Kurone Tsugikawa was standing a few steps ahead, leaning her back against the cold wall near a large set of windows.

And... she was completely, utterly alone. I was surprised.

There was no giggling entourage of sycophantic friends orbiting around her. Kenji, the shiny new trophy boyfriend she had traded Shin for, was nowhere to be seen.

She looked... spectral.

'Now that I remember... she didn't send me any message...' I thought, realizing that she had disappeared.

I slowed my pace, studying her with the clinical, detached eye of a coroner examining a scene.

Her face was terrifyingly pale, possessing a waxy, translucent quality that made her look physically ill, and the dark circles under her large eyes were so bruised and heavy they looked like she had been in a fistfight.

Her signature strawberry-blonde hair, which was usually styled to absolute, glossy perfection every single morning, was chaotic and slightly matted, as if she hadn't even possessed the physical strength to run a brush through it.

She was staring blankly at the opposite wall, her eyes red, glassy, and completely hollow.

For a fleeting, microscopic fraction of a second, I actually felt something stir in my chest.

And that surely wasn't pity, since it required a sense of superiority.

That was a distant, faded echo of the affection I had genuinely felt for her years ago, back when we were in middle school, back when I genuinely treated her as a 'friend'. Back before I realized that her "friendship" was nothing more than a carefully constructed mask designed to keep an audience captivated.

I crushed that echo of affection under the heel of my combat boot and walked right up to her.

"Heyya, Kuro," I said, keeping my voice perfectly calm, adopting an airy, casual tone. "What's wrong with you? You look like a corpse. Did you even sleep last night?"

Kurone flinched violently, her shoulders jumping as if she had just been electrocuted.

It was as if she had been entirely disconnected from reality, and my voice had violently yanked her back into her body.

She blinked rapidly, slowly turning her head to look at me.

Then, she let out a long, shuddering yawn—a deep, bone-weary sound that seemed to scrape the bottom of her lungs.

"A-Akane..." she mumbled, her voice raspy and weak. "Yeah... I'm fine. Everything is fine."

It was a blatant, pathetic lie. The truth was written in every single tense line of her body.

"You aren't fooling anyone, baby girl," I said, crossing my arms over my chest and leaning my hip against the wall next to her.

I seamlessly slipped into a role I had played for years: the concerned, brutally honest "best friend." The girl who had known her forever.

"What happened?" I pressed, tilting my head.

Kurone looked at me, and, for a fleeting moment, the dense fog of exhaustion in her eyes parted, replaced by a sudden, volatile flash of emotion.

I couldn't tell if it was burning anger, profound sadness, or just absolute, crushing resignation.

"I think you already know exactly what happened," she said, her voice dropping into a flat, deadened monotone. "Given the... relationship you have with Shin."

"Shin?" I repeated the name, feigning a look of mild, confused reflection, and let a few seconds of silence stretch out before answering. "Oh, no. He doesn't want to talk about you at all. I haven't heard him mention your name since the Karaoke event. He's probably just accepted your relationship with Kenji and moved on."

In that moment, Kurone's entire body contracted. It was a tiny, barely perceptible tremor that rippled through her frame, but I saw it, like I had taken a long, thin needle and slid it directly between her ribs.

She clearly hadn't expected that answer. In her narcissistic, self-centered worldview, she fully expected that Shin and I were spending our private time obsessing over her, talking about her, and crying over her.

"And anyway," I continued, shrugging a shoulder with absolute nonchalance, ignoring her silent agony. "What do you want me to say about it? He's happy. You're happy with Kenji. Everyone wins. It's a perfect fairy tale. Moreover, you knew that I always liked him, didn't you?"

Kurone lowered her gaze, staring down at the linoleum floor, and her manicured fingers began to drum a frantic, nervous rhythm against the hard cover of her textbook.

"Akane..." she started, her voice wavering, entirely stripped of its usual confident melody. "Can I ask you something?"

"Shoot it, baby girl," I replied, with my usual mocking tone.

"You and Shin... what are you? Really." She asked, her voice almost dropped an octave.

The question was direct, clearly stripped of all her usual manipulation and sweet framing.

For once in her life, Kurone Tsugikawa wasn't playing a game. She was bleeding, and she wanted to know who held the knife.

I looked at her, and then I decided, right then and there, to give her the absolute, unvarnished truth.

Not because she deserved my honesty. But because I was so incredibly, bone-wearyingly tired of hiding in the dark.

"Well," I said, reaching up to casually scratch the back of my neck. "I'll be brutally honest with you, Kuro. As you know, I like Shin. A lot. And I have liked him for practically my entire life."

Kurone sucked in a sharp, audible breath, her eyes widening in horror.

"I probably should have insisted about it since you never wanted me to cross the line," I continued, my voice smooth and conversational. "But honestly, at some point, I didn't think there was any need. Especially recently, since you started secretly dating Kenji behind his back. I always stepped aside and played the supportive background character because I thought your actions were a clear enough answer."

I paused, letting the silence hang heavy in the air, watching her process the information.

"Why do you ask?" I tilted my head, feigning innocent curiosity. "Does it bother you that we're seeing each other now?"

Kurone snapped. The fragile, exhausted shell shattered, and the entitled, furious queen erupted.

"You should have still told me! You should have asked for my approva—" She tried to say.

"Stop," I said, coldly.

My voice wasn't loud, but it hit the air with the force of an absolute, sub-zero blizzard as I cut her off instantly, the sharp command slicing through her rising hysteria like a blade.

I uncrossed my arms, stepping fully into her space, looking down at her from my slightly taller height.

"Did you ask for Shin's approval while you were sneaking around dating Kenji, Kuro?" I asked, my voice deadly calm.

Kurone turned a shade of white that I didn't think was biologically possible.

"Did you ask his permission while he was sitting at his desk, exhausted, doing your math homework for you?" I pressed, not giving her a single second to recover.

"Those are two entirely different things, Akane!" she shrieked, her voice cracking, echoing shrilly down the empty corridor. "Shin is my best frie—"

"No."

I interrupted her again. My voice remained perfectly leveled, devoid of yelling, which only made the venom in my words more potent.

"He was your favorite, most obedient pet, Kurone. And you know it," I stated, my golden eyes locked onto her panicked gaze. "You were the one who told me, over and over again, how much you hated how clingy and pathetic he was sometimes. You were the one who sat in my bedroom and bragged to me about how amazing Kenji was in bed. You did all of that while knowing perfectly well that Shin was probably spending his own money and time preparing a Valentine's Day surprise for you. And I sat there, and I listened to you, and I endured your absolute, sickening selfishness in silence."

The silence that followed my monologue was deafening. It felt as though the air pressure in the corridor had dropped.

Kurone stared at me, her eyes blown wide in sheer, unadulterated shock, and her mouth opened and closed several times, like a fish out of water, but the words completely died in her throat.

The carefully constructed narrative of her victimhood had been brutally dismantled in front of her face.

I couldn't allow her to humiliate Shin anymore.

Kurone swallowed hard, her throat bobbing.

"Akane..." she whispered, her voice trembling with a mixture of terror and malice. She resorted to the only weapon she had left. "Are you aware that you are nothing more than my replacement?"

A replacement. The only word I never wanted to hear.

The word flew through the air and struck my chest like a heavy stone, but it didn't break me or shatter my confidence.

After last night, after the way he had looked at me in the dark, after the tears and the fire... her words were utterly powerless.

So, the only thing I did was just smile.

It was a slow, deliberate, incredibly sharp smile that didn't reach my eyes, like a predator baring its teeth.

"I can personally assure you, with absolute certainty, that I am not your replacement," I said, my voice dropping to a low, dangerous register. "Shin has made his choice. And if I were you, I would strongly advise you not to go knocking on the door of his house ever again if you don't want to have a bad surprise."

In that moment, Kurone physically staggered back, and her eyes went from wide to absolutely massive as the heavy, unmistakable implication of my words slowly sank through the layers of her denial.

"Akane..." she breathed, the word nothing more than a wisp of air. "What do you mean...? Did you and Shin... did you...?"

I left the question suspended in the air.

I didn't confirm it, and I absolutely didn't deny it since silence was the most lethal answer I could give.

"I'll leave you with the benefit of the doubt," I said, shrugging my shoulders with an exaggerated, dismissive nonchalance. "Besides, why do you even care? You're deeply in love and committed to your perfect, handsome alpha boyfriend, right? Knowing the answer to that question wouldn't change your life in the slightest."

Kurone didn't respond. She was frozen to the spot, entirely immobilized, looking like a statue carved from ice.

"Anyway..." I continued, reaching up to adjust the strap of my heavy leather bag, signaling that this conversation was permanently terminated. "Don't worry about it too much, Kuro. You'll get used to the new dynamic. And hey, you and I will always be the absolute best of friends, right? Just like the good old days."

The words tasted like ash in my mouth. That was a dark, sarcastic foreshadowing of a past that was utterly, irrevocably dead and buried.

Kurone lowered her gaze to the floor. She looked completely, thoroughly defeated.

"...I understand," she whispered. "I hope you'll be happy with him."

She didn't add anything else. She didn't scream, she didn't cry, she didn't try to defend herself. The fight had been completely drained from her body.

I offered her one final smile that wasn't even particularly cruel anymore. It was just... tired.

"Good," I said smoothly. "I'll see you in class, Kuro."

I turned my back on her and walked away down the corridor.

I didn't look back. Not even for a second.

But as I walked toward my classroom, I could feel the heavy, devastating weight of her gaze burning into my back. It was a gaze loaded with a thousand agonizing questions, regrets, and realizations—questions to which I would never, ever give her the satisfaction of an answer.

I slid the wooden door to my classroom open and stepped inside.

As always, a few of my classmates looked up from their desks, their eyes tracking the "lone wolf" as I entered, but nobody dared to speak to me. Nobody ever did.

I walked to my assigned seat at the very back of the room, right next to the large windows, dropped my bag onto the floor, sat down, and then pulled my history textbook from my desk, opening it to a random page.

But I didn't read a single word. My eyes scanned the lines of text, but my thoughts were miles away.

Replacement.

Kurone's desperate, venomous words echoed in the quiet confines of my mind.

As I turned my head away from the book, looking out the large glass window, I smiled softly to myself.

'If she only knew.' I thought.

I was not a replacement. I had been there long, long before her grand romance had ever truly begun.

I had existed in the deep shadows.

And now, finally, after seven years of waiting in the dark... it was my time.

The shrill ring of the morning bell echoed through the school, and the teacher walked into the room, commanding silence, and the monotonous lecture began.

But I ignored the teacher entirely. I couldn't focus.

I kept my gaze fixed out the window, still thinking about Shin and his beautiful smile.

'Ah... only God knows how I'm gonna resist during the spring festival when he's gonna interact with other females... Tzch—! That dumbhead better be faithful to me,' I thought, fighting the urge to run out of class and go straight to him.

But then, I smiled, a deep, contented warmth spreading through my chest.

Because for the very first time in seven years, I was no longer standing in the cold shadows.

I was standing in the sun.

And I was absolutely, fiercely determined to never let him go back into the dark.

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