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···Guess I’ll Cheat Too
you: Let’s see how you like it.
LucidMoon
Published: 2026/09/27·Last updated: 2026/10/06
Story Description
EX × FAKE
Guess I’ll Cheat Too
Let’s see how you like it.
A fake romance to get back at an ex begins.
A fake romance to get back at an ex begins.
I was first to fall,
and first to confess— it was me.
and first to confess— it was me.
I saw him at a bar and fell for him.
I worked up the nerve to ask for his number.
That’s how our relationship began.
I worked up the nerve to ask for his number.
That’s how our relationship began.
EX
Kang Ha-da
29 · 189cm
The popular ex-boyfriend
The popular ex-boyfriend
He has lots of friends.
His phone is always buzzing.
Women are always hitting on him.
His phone is always buzzing.
Women are always hitting on him.
“I don’t even like her,
so why do you care so much?”
so why do you care so much?”
He never cheated.
But he never made much effort to distance himself from
women who were into him.
But he never made much effort to distance himself from
women who were into him.
Nothing changed, no matter how many times I brought it up.
So in the end,
I was the one who ended it.
I was the one who ended it.
BLIND DATE
Seo Do-yoon
28 · 186cm
The man I met on a blind date
The man I met on a blind date
Instead of a romance,
he listened to me complain about my ex.
he listened to me complain about my ex.
A blind date a friend insisted on after the breakup.
“I’m sorry.
I only just broke up with my ex.”
I only just broke up with my ex.”
The blind date soon turned into a relationship-counseling session.
After listening for a while, Seo Do-yoon said:
After listening for a while, Seo Do-yoon said:
“He sounds like a jerk.”
AFTER THE BLIND DATE
They didn’t start dating.
But strangely, they got along well.
They kept in touch.
They had meals together.
He listened to me vent about my ex.
They became comfortable friends.
But strangely, they got along well.
They kept in touch.
They had meals together.
He listened to me vent about my ex.
They became comfortable friends.
Then one day.
Watching my ex keep meddling even after we broke up,
I suddenly got fed up.
I suddenly got fed up.
I put up with this for years.
You’ve never had to deal with it yourself.
You’ve never had to deal with it yourself.
“Guess I’ll cheat too.”
FAKE DATING
Pretend to have a new boyfriend to get back at an ex.
01 · Act like a couple when Kang Ha-da is around.
02 · Remember your story so you don’t contradict each other.
03 · Don’t develop more feelings than necessary.
04 · End the fake relationship when the payback is over.
02 · Remember your story so you don’t contradict each other.
03 · Don’t develop more feelings than necessary.
04 · End the fake relationship when the payback is over.
Now it’s your turn.
Another man messages you.
You make plans to meet one-on-one.
You casually save him the seat beside you.
You look after each other like it’s nothing.
You make plans to meet one-on-one.
You casually save him the seat beside you.
You look after each other like it’s nothing.
“Why do you care?
It’s not like I even like him.”
It’s not like I even like him.”
HOW TO PLAY
Here’s how to play.
01 · Give your ex a taste of his own medicine
“He’s just a friend.” “It’s not like I like him.”
Try giving him the very words you used to hear.
Try giving him the very words you used to hear.
02 · Play the fake couple
Your first date, preferences, pet names, anniversaries.
See if you can keep your stories straight when an unexpected question comes up.
See if you can keep your stories straight when an unexpected question comes up.
03 · Crack Kang Ha-da’s composure
An ex who denies he’s jealous even while he seethes.
Make him experience the things he used to do himself.
Make him experience the things he used to do himself.
04 · Keep up the act with Seo Do-yoon
With an accomplice who knows everything about your ex,
keep the fake relationship going without getting caught.
keep the fake relationship going without getting caught.
05 · Watch the relationships change
A fake relationship that began as revenge, and regret that came too late.
Who you end up with, and what kind of relationship you have, depends on how you play.
Who you end up with, and what kind of relationship you have, depends on how you play.
The man who said it was fine for him to be popular.
When another man appeared at my side,
for the first time, he couldn’t smile.
for the first time, he couldn’t smile.
PERSONA
What kind of User would you like to play?
The same fake relationship can play out differently depending on your age and personality.
01
Older
Calm and grounded
Not afraid to speak their mind
Quietly playful
Not afraid to speak their mind
Quietly playful
02
Same age
Honest and easygoing
Quick with the banter
Hates to lose
Quick with the banter
Hates to lose
03
Younger
Bright and confident
Open about their feelings
Quietly cheeky
Open about their feelings
Quietly cheeky
These are only suggested setups; you can change the age, job, or personality as you like.
Kang Ha-da, 29 · Seo Do-yoon, 28
Kang Ha-da, 29 · Seo Do-yoon, 28
PLAY GUIDE
A fake-dating rom-com about giving a popular ex
his comeuppance.
Follow Kang Ha-da’s jealousy and belated self-awareness,
and watch the fake relationship with Seo Do-yoon change,
as you take your time with the episodes.
The final relationship depends on how you play and the choices you make.
and watch the fake relationship with Seo Do-yoon change,
as you take your time with the episodes.
The final relationship depends on how you play and the choices you make.
COMMAND
!random
!hada_payback
!couple_check
!ex_log
MODEL
PRO 2.5
Everyday life · light rom-com
PRO 3.1+
Emotional arcs · recommended for episode progression
EX × FAKE BOYFRIEND
Let’s see how you like it.
Guess I’ll Cheat Too
Kang Ha-da
Seo Do-yoon
- 1I Have a New Boyfriend
- 2You Met on a Blind Date?
- 3You Said He Was Just a Friend
- 4It Was Just an Act
- 5The You I Don’t Know
- 6Do You Remember Why We Broke Up?
- 7This Time, I’ll Respect Your Boundaries
- 8Who Are We Lying to Now?