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I Transmigrated Into a Yuri Novel as the Female Lead’S Brother

Chapter 1: I Opened My Eyes in a Fictional World

So this is how it ends... huh?

Pain. Then nothing.

A split second of instinct. He had seen the girl about to be hit by the truck.

He pushed her. She screamed.

And then, black.

No last words. No regrets. Just… silence.

---

But death didn't last long.

The world returned—strangely warm, dim, and distant.

Aeron's eyes fluttered open.

He expected concrete. Sirens. Heaven?

Instead, he saw a stone ceiling. Cracks. Dusty beams.

There was warmth beside him. A gentle hand holding his.

He turned his head and saw her.

A girl with white hair like fresh snow, eyes the same color—almost glowing. Pale skin. A calm expression. She looked delicate, but her gaze was firm.

She was kneeling beside him, as if she'd been sitting there for hours.

"…You're awake," she said softly.

Aeron blinked. His voice came out hoarse.

"Where… am I?"

The girl didn't answer immediately. She reached for a glass of water and carefully held it to his lips.

After he drank, she finally said, "This is home. You're safe now."

Then, with a gentle smile, she added, "I'm Lyra. Your sister."

---

Sister…?

That word echoed in his mind.

He stared at her. Then at the unfamiliar room. The worn-out furniture. The faint scent of old wood and medicine.

And then it clicked.

> This isn't Earth… This isn't even real.

This is fiction. A novel. A story I know.

Memories surfaced. Not from his life—but from a book.

A novel he once binge-read during lonely nights: a dark, yuri omegaverse story about betrayal, power, and twisted relationships. A world where alphas ruled society, omegas were rare and desired, and betas lived in between.

And the main character?

Lyra. A tragic alpha girl whose family was destroyed.

She had one precious person—her younger brother, an innocent omega, her only blood relative.

That brother… was now him.

> I've been transmigrated… into a character who dies early.

In the original novel, Lyra's brother was murdered.

Stabbed by the villainess. Forgotten by the world. Just a tragic catalyst.

That's supposed to be me now.

His heartbeat quickened—but he forced himself to stay still.

---

"I…" He hesitated. "I don't remember anything."

He decided to play dumb.

There was no advantage in revealing the truth.

If this was real—if he was now a part of this world—then his goal was simple:

> Survive.

Not save the world.

Not change the plot.

Just survive.

---

Lyra looked a little sad at his response, but she smiled again and placed her hand over his.

"It's okay. You've been through a lot. You don't need to force yourself to remember anything yet. I'm just glad you're safe."

Her voice was soft and sincere.

Aeron studied her face carefully.

This version of Lyra wasn't the cold, broken girl from later chapters.

She was still gentle. Still hopeful. Still… normal.

> She still sees me as her brother.

Good. I can work with this.

---

Over the next few hours, Lyra explained everything.

Their parents had died in a car crash just a week ago.

They were now living in an estate owned by their father's business partner.

They were being "cared for" by the Argent family—people Aeron already knew from the novel were manipulative and dangerous.

And that school would resume soon.

Aeron nodded as if confused, though his mind was clear.

> The villainess lives here. Selene Argent.

An alpha who manipulates everything and kills me later.

I can't let that happen.

He looked at his hands—smaller now, softer.

His body was younger. More fragile. An omega's scent. A role hated and hunted in this world.

> I'm at the bottom of this world's food chain.

But I still have one advantage—

I know what's going to happen.

---

That night, Lyra tucked him in gently.

"Goodnight, Aeron," she whispered, brushing a strand of hair from his forehead.

He didn't speak. He just closed his eyes.

> This world is cruel.

This world is scripted.

But if I keep my head down… if I play the fool…

I can live.

No one needs to know who I really am.

Not even her.

Chapter 2: A World of Scent and Shadows

The morning light filtering through the high windows felt… unreal.

Aeron sat on the edge of the bed, freshly bathed and dressed in a crisp academy uniform. His new body felt strange—not just because it was smaller and lighter, but because of the subtle hum in his blood. An underlying tension that pulsed beneath his skin.

This body wasn't just younger. It was different.

It was omega.

In this world, that meant something.

Omegas weren't just rare—they were regulated. Tagged. Watched. Protected by law, yet treated like valuable livestock by the powerful. If he wasn't careful, he'd be dragged into someone else's game again.

He ran a hand through his silver hair, sighing.

> "This really is the omegaverse setting... Can't believe I ended up here of all places."

He remembered the story well. Too well.

A world ruled by the powerful Alphas, supported by the average Betas, and dominated by primal instincts no matter how civilized society pretended to be.

And now… he was one of the weakest pieces on the board.

---

A soft knock came at the door.

> "Aeron, are you awake?"

It was Lyra's voice, quiet and gentle.

"Yeah," Aeron replied calmly. "Come in."

She stepped in with a small tray—warm toast, fruit, and tea. Her white hair shimmered in the light, and her expression brightened when she saw him already dressed.

"You're up early," she said with a warm smile, setting the tray down. "You didn't sleep well?"

He gave her the practiced look of quiet confusion. "I don't know. Everything still feels… unfamiliar."

Her smile faded slightly, and she reached over to gently adjust his collar.

"You don't need to remember right away. You're safe now. I'll take care of everything."

He nodded. "Thank you… Lyra."

She seemed to pause at that—just hearing her name from him. Then she smiled again, more softly this time.

---

Later that day, Aeron followed her through the vast halls of the Argent estate.

Marble floors. Tall windows. Cold air. The place was both elegant and suffocating.

The estate belonged to the Argent family, the richest and most politically powerful family in the region. Their influence extended far beyond business—they had pull in the military, education, and even law enforcement.

The head of the family was a man Aeron never cared for in the novel—a cruel, controlling Alpha who pretended to be Lyra's guardian only to steal her family's company shares.

But he wasn't the real threat.

That would be his daughter.

> Selene Argent.

---

Aeron hadn't met her yet. But he had felt her presence twice since waking up.

Once in the hallway outside the study, where a trail of her Alpha scent had lingered like cold ash and roses. The second time—last night, outside his room. She hadn't knocked. She hadn't even said anything.

She had simply stood there.

He had pretended to sleep, but he'd sensed it. The shift in the air. The static in his blood. The slow retreating footsteps.

> She's watching.

She knows I'm not normal.

I need to be careful.

---

By mid-afternoon, Aeron was sitting quietly in the Argent library while Lyra handled documents in the next room.

He reached for an old economics book—something dry but useful—and flipped through its pages with casual efficiency. In truth, he wasn't reading for pleasure.

> This world uses a hybrid digital-credit economy with corporate-bloodline rule.

If I can create a shell company under beta identity, I can invest early and build leverage before the plot accelerates.

He remembered a side character in the novel who created a fortune through medical patents before getting crushed by Selene's father. This time, he'd take that knowledge for himself—and stay invisible.

He didn't need to be a hero. He just needed freedom.

---

As he scribbled quiet notes on a scrap paper, the library door creaked open behind him.

He didn't look up.

But his heart stopped.

That scent—

> Cold. Metallic. Lingering like smoke after fire.

Alpha.

Aeron slowly raised his eyes and looked toward the door.

There she was.

---

Selene Argent.

Silver hair cascading like a blade down her back. Crimson red eyes that looked like still-burning coals. She wore the estate's school uniform, but her presence bent the room like gravity.

She didn't speak.

She just stared at him.

And smiled.

Not warm. Not fake.

Just… still.

Aeron smiled back—calmly. Just the right amount of confusion in his eyes.

> "...Hello. Have we met?"

She didn't answer. Just took one step forward.

Her gaze didn't move from his face—not once.

Then, finally, she spoke.

> "I've been watching you."

He blinked. "...Why?"

She tilted her head slightly, studying him like a puzzle.

> "Because I don't believe in miracles. But you… you feel like one."

He forced a chuckle. "I don't even remember who I am."

She didn't laugh.

> "Exactly."

Aeron gripped the edge of the table under the surface of his calm.

Chapter 3: The Villainess Who Sees Through Me

Selene's words lingered in the air like smoke:

> "Because I don't believe in miracles. But you… you feel like one."

Aeron kept his face neutral, the way a poker player holds his breath at the final card. But deep down, warning bells were going off in his mind.

> She's dangerous. Even her presence feels like a leash tightening around my throat.

"I don't know what you mean," he said softly, offering a polite half-smile. "I just woke up a few days ago."

Selene didn't blink. Her red eyes were unwavering, like they were searching for cracks in his act.

> "That's what they told me too," she said, voice smooth. "That you forgot everything."

She took one step forward.

> Too close.

Aeron didn't move. He didn't want to show discomfort. In this world, weakness was like blood in the water.

Selene's gaze dropped for just a second—trailing over his face, neck, and the faint scar along his wrist from the accident he'd been in… or the death he came from.

"You're Lyra's twin, aren't you?" she said at last.

That caught him off guard.

"…Yes."

Her lips curved faintly.

> "Interesting. You don't look like her."

That was true. Lyra's hair was a softer white, her eyes pure and glowing, her features more delicate. Aeron's silver hair had a slight shimmer to it, and his white eyes had a sharper clarity—almost inhuman, like polished stone.

"Fraternal twins," he replied, his tone even. "I was told we were born minutes apart."

Selene didn't look away. "Who came first?"

"…Me."

"Of course you did."

He didn't like how she said that.

---

A moment of silence passed between them. Aeron could feel her studying him—not with interest, but with purpose. It was like she was recording him.

> She's already suspicious. She thinks I'm hiding something. I have to redirect her attention.

"Forgive me," he said. "Miss Argent, is there a reason you came here?"

She tilted her head slightly. "You're polite."

"I try to be."

Her gaze flicked to the notebook in front of him. "You're also smarter than you pretend."

He gave a small, empty laugh. "I just like reading."

Selene said nothing.

Then, without warning, she turned and began walking out.

But at the door, she stopped—without facing him—and said quietly:

> "I'll be watching, Aeron Kael."

And then she left.

---

Aeron let out the breath he'd been holding.

His hands were clammy, but his mind was sharp.

> That wasn't a meeting. That was a warning shot.

She was staking her claim. Letting him know she saw him.

And the worst part?

She hadn't shown a single flicker of interest in Lyra. Not once.

> That's not how the story was supposed to go.

---

That evening, Lyra found him in the garden.

She sat beside him on the stone bench, holding a cup of warm tea for him. The moonlight hit her hair like silver threads.

"You met her," she said quietly.

Aeron didn't ask how she knew. Of course she knew.

"I did," he answered.

"…Was she rude?"

Aeron smiled faintly. "She was… cold. Careful. But not hostile."

Lyra looked thoughtful for a moment. "She used to ignore people completely. If she spoke to you, it means she sees you as important."

"Comforting," he said dryly.

She gave a small laugh and leaned against him.

For a moment, it was quiet.

"I missed you," she whispered.

Aeron glanced at her, surprised.

"I mean… when you were asleep. For days. I sat beside you, wondering if I'd ever hear you speak again."

Her voice trembled for just a second.

"We were born together," she said, voice softer now. "You've always been the calmer one. I was the one who cried first, remember?"

He didn't. But he nodded anyway.

"I don't want to lose you again, Aeron."

Her hand found his.

And for that moment—just a moment—it wasn't twisted or dramatic. It was just family.

Twin siblings sitting in the quiet night, afraid of a future they couldn't see.

---

But deep inside, Aeron was already preparing for tomorrow.

Because tomorrow… he would begin building his second identity.

And the first brick was money.

> No one will protect me. I'll protect myself.

I'll build something in the shadows no one can touch.

Even Selene.

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