My Forbidden Stepbrother – Chapter 9: The Rules We Break to Stay Hidden (Taboo Erotic Romance Story)

When suspicion enters a house,
it never really leaves.

It lingers in the silence.

In the pauses between questions.

In the way doors close a little slower.

After the hallway footage in Chapter 8, we understood something clearly:

This wasn’t about hiding feelings anymore.

It was about survival.


Rule #1: No Closed Doors

We didn’t write the rules down.

But we both knew them.

No more bedroom conversations.

No more hallway whispers.

No more late-night knocks.

If we talked, it had to be visible.

Public.

Casual.

Harmless.

Which meant pretending distance.

At breakfast, we barely looked at each other.

At dinner, we sat farther apart.

It should have made things easier.

It didn’t.

Because distance doesn’t erase desire.

It concentrates it.


Rule #2: No Texting After 9 PM

That rule was mine.

After she asked to see my phone, I couldn’t risk it again.

We kept messages dry.

Short.

Safe.

No emotion.

No coded language.

No “come downstairs.”

But restraint builds pressure.

And pressure looks for cracks.


The Rumor We Didn’t Expect

The real problem didn’t start at home.

It started at school.

I felt it before I understood it.

The looks.

The whispers.

Two girls from my chemistry class went quiet when I passed.

Then I heard it.

“…they came together.”

“…always around each other.”

“…isn’t that weird?”

My stomach dropped.

We had been careful at the bonfire.

But careful doesn’t mean invisible.

Someone had noticed.

And teenagers are far more observant than parents.

By lunchtime, I couldn’t focus.

Was it obvious?

Had we stood too close?

Looked too long?

He found me near the lockers.

“You’ve heard it too,” he said quietly.

I nodded.

“Who started it?”

“Does it matter?”

It did.

Because rumors spread faster than proof.

And once they reach adults, they transform.


Rule #3: Public Distance

We adapted quickly.

No walking together in hallways.

No shared rides home unless necessary.

No standing too close in group settings.

It felt ridiculous.

Performative.

But necessary.

And the more we distanced publicly—

The more intense our private glances became.

Forbidden doesn’t weaken under pressure.

It sharpens.


The Almost Mistake

Three days into our “rules,” we slipped.

Not dramatically.

Not physically.

Emotionally.

It happened in the kitchen.

Our parents were out grocery shopping.

We were alone.

Technically safe.

He leaned against the counter, arms crossed.

“You’re avoiding me,” he said.

“I’m following the rules.”

“You made the rules.”

“For a reason.”

He stepped closer.

“Or because you’re scared.”

I was scared.

Of being caught.

Of losing control.

Of what this was turning into.

“This isn’t sustainable,” I whispered.

“What isn’t?”

“This.”

Us.

The secrecy.

The pretending.

He stopped inches away.

“We knew that from the beginning.”

“Knowing doesn’t make it easier.”

His hand hovered near mine on the counter.

Not touching.

But close enough that the air felt charged.

“I don’t regret it,” he said quietly.

Neither did I.

That was the dangerous part.

The back door opened suddenly.

We jumped apart.

Groceries rustled.

Voices drifted inside.

Too close.

Too fast.

If they had walked in thirty seconds earlier—

We wouldn’t have had an explanation ready.

Another near miss.

And near misses build paranoia.


The Crack in the Plan

That night, our mom knocked on my door.

Not suspicious.

Just… thoughtful.

“Are kids at school saying anything about you two?”

Ice flooded my veins.

“Why would they?”

She watched my face carefully.

“I heard something from another parent.”

There it was.

Rumors travel upward.

Always.

“People talk,” I said lightly. “It’s nothing.”

She studied me.

Long.

Searching for hesitation.

Guilt.

Truth.

“Be careful,” she said finally. “Perception matters.”

Perception.

Not proof.

But perception can destroy reputations long before facts appear.


The Question We’ve Avoided

Later that night, we stood outside again.

Cold air.

Safer than walls.

“This is spreading,” I said.

“I know.”

“And if school talks, parents hear.”

He ran a hand through his hair.

“We can handle rumors.”

“Can we?”

His eyes met mine.

Sharp.

Focused.

“This only works if we don’t break.”

There it was again.

Not passion.

Commitment.

To secrecy.

To each other.

But commitment without definition is unstable.

“What are we doing?” I asked softly.

“Surviving.”

“That’s not what I mean.”

Silence.

He stepped closer.

Not touching.

But close enough that warmth cut through the cold air.

“You want a label?” he asked.

“I want to know I’m not risking everything alone.”

That landed.

Hard.

His expression shifted.

“You’re not alone.”

Three words.

Simple.

But heavy.

Because this wasn’t casual anymore.

It hadn’t been since Chapter 5.

We weren’t just sneaking around.

We were choosing each other under pressure.

And pressure reveals truth.


The Rule We’re About to Break

Before we went back inside, he said quietly:

“There’s one rule we haven’t made.”

“What?”

“No more almost.”

My heart skipped.

“Meaning?”

“If we’re going to do this… we stop pretending it’s temporary.”

The air felt thinner.

Dangerous.

Because permanence is harder to deny than impulse.

“If we go further,” I whispered, “there’s no stepping back.”

He held my gaze.

“I know.”

For a long moment, neither of us moved.

The house behind us.

The rumors at school.

The suspicion in the hallway camera.

All real.

All threats.

But the tension between us?

Stronger.

And that’s when I realized:

Rules don’t exist to stop forbidden things.

They exist to manage them.

And we were running out of rules.


End of Chapter 9

👉 Next: Chapter 10 – When the Secret Stops Feeling Safe

Read the Full Story in Order:
Chapter 1 
Chapter 2 
Chapter 3 
Chapter 4 
Chapter 5 
Chapter 6 
Chapter 7 
Chapter 8 

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