Reborn as Eren Yeager: The Gacha System

Two years.

Seven hundred and thirty days.

That was all the time I had left.

The system window remained floating before my eyes long after the notification appeared.

The fall of Wall Maria is inevitable.

Prepare yourself.

I clenched my fists.

I hated that word.

Inevitable.

As if fate had already decided the outcome.

As if Carla’s death was already written.

As if thousands of people were destined to die no matter what I did.

No.

I refused to accept that.

If the future couldn’t be changed, then what was the point of being reborn?

What was the point of the system?

What was the point of all my preparation?

There had to be a way.

There had to be.

"Ding."

Another notification appeared.

==================

Emergency Mission

Become Stronger

Objective:

Reach all basic attributes above 25.

Time Limit:

730 Days

Reward:

10 Gacha Tickets

1 Epic Gacha Ticket

==================

I took a deep breath.

At least the system agreed with me.

Strength came first.

Without strength, nothing else mattered.

Without strength, I couldn’t protect anyone.

Without strength, I would simply watch history repeat itself.

Just like before.

The next morning, my routine became even more intense.

Fortunately, Adaptive Growth was absurd.

Every day brought visible improvements.

Every week felt like a month of normal training.

I ran longer.

Trained harder.

Practiced balance and coordination.

Worked on endurance.

Everything I could do without attracting suspicion.

Months passed.

The seasons changed.

And for the first time, I began noticing another difference.

Mikasa.

She was changing too.

Ever since the incident with the kidnappers, she spent most of her time with me.

Training.

Walking.

Talking.

Well, mostly listening.

Mikasa wasn’t exactly talkative.

One afternoon, we sat beneath a tree overlooking the fields outside Shiganshina.

The wind gently moved the grass around us.

For several minutes, silence reigned.

Then Mikasa suddenly spoke.

"Eren."

I looked up.

"What is it?"

She hesitated.

Something unusual for her.

"You’ve changed."

My heart skipped a beat.

Changed?

Had she noticed something?

Had I revealed too much?

Fortunately, her next words eased my concerns.

"You always look far away."

I blinked.

Far away.

That was surprisingly accurate.

After all, while everyone else worried about tomorrow, I worried about events years in the future.

I smiled slightly.

"Just thinking."

Mikasa stared at me.

Then nodded.

She didn’t push further.

That was one thing I appreciated about her.

She understood when people wanted to keep their secrets.

If only she knew how many secrets I carried.

The truth about Titans.

The truth about Grisha.

The truth about the world.

The truth about the future.

Sometimes the burden felt overwhelming.

Especially when I looked at the people around me.

Carla.

Grisha.

Armin.

Mikasa.

All of them trusted me completely.

And all of them were walking toward a disaster only I could see.

The thought left a bitter taste in my mouth.

I needed more power.

Fast.

That evening, after everyone went to sleep, I opened the system.

==================

Host: Eren Yeager

Age: 8

Strength: 21

Agility: 20

Vitality: 21

Spirit: 22

==================

Closer.

Much closer.

But not enough.

Far from enough.

A single Titan could still crush me.

A single mistake could still kill me.

Then another notification appeared.

[Ding.]

Monthly Reward Available.

My eyes lit up.

Monthly rewards were rare.

Far rarer than daily rewards.

Usually, they offered much better prizes.

I immediately claimed it.

A silver chest materialized before me.

The lid slowly opened.

Light burst outward.

[Reward Obtained.]

[Skill Book: Basic Swordsmanship]

I stared.

A skill book?

This was new.

Very new.

Without hesitation, I selected it.

The book dissolved into countless particles of light.

The next moment—

Pain exploded inside my head.

Memories.

Techniques.

Movements.

Footwork.

Combat principles.

Everything flooded into my mind.

Several minutes later, the process ended.

I collapsed onto my bed, breathing heavily.

Yet despite the exhaustion, excitement filled me.

I understood.

The way to move.

The way to strike.

The fundamentals of sword combat.

Not mastery.

Not perfection.

But a solid foundation.

Exactly what I needed.

A grin slowly spread across my face.

The system was finally giving me combat abilities.

And this was likely only the beginning.

The following weeks became even more productive.

Every chance I found, I practiced.

Wooden sticks became swords.

Tree branches became training partners.

Fields became battlefields.

Thanks to Adaptive Growth, my progress was astonishing.

What would normally take years took months.

What would normally take months took weeks.

The difference became more obvious every day.

Then something unexpected happened.

One morning, while sparring with a wooden stick, a familiar notification appeared.

[Ding.]

Skill Level Increased.

Basic Swordsmanship Lv.1 → Lv.2

I froze.

Then laughed.

Skills could level up.

Of course they could.

This really was a game-like system.

And if skills could level...

Then there was virtually no limit to how far I could grow.

For the first time since my rebirth, genuine confidence began to form.

Not arrogance.

Not recklessness.

Confidence.

The belief that perhaps I could actually change things.

Perhaps I could save Carla.

Perhaps I could save everyone.

Perhaps—

A sudden tremor interrupted my thoughts.

The ground shook slightly.

Only for a second.

Then it stopped.

My smile disappeared.

So did Mikasa’s.

So did Armin’s.

Everyone nearby looked confused.

A small tremor wasn’t unusual.

But something felt wrong.

Danger Sense activated.

A faint warning echoed in my mind.

Not immediate danger.

Not yet.

But something was coming.

Something big.

That night, another system notification appeared.

Unlike the others, this one was red.

Bright red.

[Ding.]

Major Story Event Approaching.

Time Remaining:

365 Days.

One Year Until the Fall of Wall Maria.

Prepare Accordingly.

For a long time, I stared at the countdown.

One year.

Only one year remained.

The storm was coming.

And humanity had no idea.

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