Love Algorithm

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Summary

After discovering her boyfriend and best friend’s betrayal, Kang Hae-in disappears without a word. Years later, she returns—different, quieter, and determined not to feel the same way again. But the past doesn’t stay buried. When she gets involved in a fake relationship with Seo Ji-hoon, a boy known for never taking love seriously, things start to get complicated. Because this time… the feelings might not be fake.

Genre
Romance
Author
nishislve
Status
Ongoing
Chapters
17
Rating
n/a
Age Rating
16+

Things I Didn’t Say

There was a time when everything felt...easy

lunches under the same tree. inside jokes that didn’t made sense to anyone. Walking home together like it was a routine we’d never break.

Baek Ara used to link her arm with mine, laughing at things I barely remembered saying. Lee Min-jae would walk beside us, occasionally glancing over with that small smile I thought was meant for me.

Back then, I never questioned anything.

I didn’t have a reason to.

The first time I noticed it, I told myself I was imagining things

Ara was sitting across from us in the cafeteria, her chin resting lightly on her hand.

She wasn’t looking at me.

Not casually. Not accidentally.

Just… staring.

I followed her gaze for a second, then looked away quickly, pretending I hadn’t seen it.

It didn’t mean anything. It couldn’t.

Right?

After that, little things started to stand out

Things I wish I had ignored.

Ara fixing her hair when Min-jae walked into the room. Smoothing down her skirt. Checking her reflection on her phone—more than usual.

I noticed.

Of course I did.

But I never said anything.

Because saying it out loud would make it real.

“Let’s hang out this weekend.”

I remember saying that like it was nothing.

Min-jae didn’t even hesitate.

“I can’t. I’ve got something to do.

Something.

It was always something.

The excuses started piling up after that.

Assignments. Family stuff. Being tired.

I wanted to yell at him, ask him what kind of boyfriend he was? but somehow, I always nodded like I understood.

Like I wasn’t slowly being pushed out of something I didn’t even realize I was losing.

One afternoon, I saw them together.

It wasn’t planned.

I was just walking past the hallway near the back gate when I heard laughter.

His laughter.

I stopped without thinking.

They were standing close. Too close.

Ara said something I couldn’t hear, and Min-jae laughed again, leaning slightly toward her.

It looked… easy. Natural. The kind of moment I thought belonged to me.

For a second, I just stood there.

Then I walked away before they could see me

I don’t know why. Maybe I wasn’t ready to face whatever that was.

It kept happening after that.

Small moments. Quick glances. Things that didn’t seem like much on their own—but together… They felt wrong

And I knew it. I just didn’t want to admit it.

The day everything finally broke was… stupidly normal.

I had already left school when I realized I forgot my notebook. I almost didn’t go back. I almost told myself it wasn’t important.

But I did. And I think… a part of me already knew.

The building was quieter than usual. Most students had already gone home. My footsteps echoed a little as I walked down the hallway. When I reached the classroom, I slowed down.

I don’t know why.

Maybe it was instinct.

Maybe it was fear.

The door was closed. But the lights were still on.

I moved closer to the window.

And then—

I saw them.

I didn’t hear anything.

Not their voices.

Not the sound of the hallway.

Not even my own breathing.

Just—

Them.

Ara’s hand lightly gripping his sleeve.

Min-jae leaning down.

And then…

They kissed.

I think I stopped breathing. Or maybe I just forgot how to.

The two people i trusted the most betrayed me. My boyfriend and my bestfriend..

Because everything after that felt distant.

Like I was watching something I wasn’t supposed to see.

Something that wasn’t meant for me.

But it was.

It was mine.

Or at least— I thought it was.

I don’t remember how long I stood there.

I don’t remember walking away.

All I remember is one thought.

Quiet.

Heavy.

And impossible to ignore anymore.

I should’ve said something sooner.