Episode 1
Can I Live in The Same House With My Ex-Lover?
Episode 2
Can You Cheer on Your Ex-Lover's New Beginning?
Episode 3
The Moment I Felt Parting
Episode 4
How To Let Go Of a Past Lover
Episode 5
Is Jealousy Love?
Episode 6
The Real Reason Why We Broke Up
Episode 7
We Were All Someone's X
Episode 8
Someone is Curious About Your X
Episode 9
Can We Be Friends?
Episode 10
It's about time...
Episode 11
Cross The Line
Episode 12
Cracks and Cracks
Episode 13
Truth Game
Episode 14
Last Timing
Episode 15
Confession
Long Time No See, Nice To Meet You
Introducing My Former Lover
Who Are You?
Surprise Party
Your Ex Chose You
My Ex Is In This Group
The Story Only I Didn't Know
Conclusion Of The Date
How To Protect An Ex
Secret Dates
Facing The Memories
Your X Is Waiting
Secret Conversation
Awakening
Discomfort
Episode 16
No Secrets
Episode 17
Holding Hands
Episode 18
Not Over You
Episode 19
The Last Date
Episode 20
Start Again
A Story Only the Two of Us Knew
Such a Long Separation
A piece of memory
I'm sorry baby
What are you doing tomorrow?
About my X
Come unconditionally
Two meanings
X or NEW
We still don't know each other
The place you left
Understanding X
Talk To Me
Our time is still frozen on that day
The person who made your heart flutter today
The untold story
Things I learned after breaking up
Maybe the last moment
Begin again
Please, Take Good Care of Him
A Breakup Locked in a Closet
Sweet and Bitter Moments
Passing Carelessly
Restless Night
The Speed of Breakup Depends on the Person
The Door Opens
Insincere Love
Misunderstanding is Easy, But Understanding is Hard
Our Nights Shine Brighter Than the Day
You, Back Then
A Different Time
Leaving This Night In Seoul
X’s X
The Time I Thought I Had Forgotten
Farewell Caught in My Throat
A Way To Keep You With Me
A Sleepless Night, and the Rain Falls
A Summer Night of Regret
So, It's Goodbye, Then
Episode 21
Again, Never
Episode 22
The Untold Story