At that day's crosswalk
"Excuse me. You dropped this."
In the year 2226, I visited Seoul 200 years ago for a graduation trip.
On the last day of the trip.
A single lip balm dropped at a crosswalk.
And the stranger who picked it up for me, Hong Seonghwa.
That was all.
I thought it was just a passing coincidence.
an officer from the Time Management Bureau stopped me.
"We cannot verify the identity of the returnee."
"...What?"
"You are recorded as having died 22 years ago."
My home, my graduation, and the life I was supposed to live all vanished.
The reason was simple.
Because history changed at that crosswalk that day.
Return Point: 2026
Time Limit: 168 Hours
Goal: Thwart Hong Seonghwa's destined romance.
So the moment we met again,
I grabbed him by the collar first.
"Take responsibility, you jerk!!"
"...What exactly did I do?"
"Don't meet any women for the next week."
"Why?"
"Just because!!"
Problem is, this man,
being a law firm clerk,
never lets a single word slide.
And I can never tell him.
That I died because of you.
At first, it was just 7 days to get my life back.
But it's strange.
As the days count down,
the fact that I can go back doesn't make me all that happy.
I have to return to 2226,
and he stays here.
As a man from 200 years ago.
To return history to the way it was,
I must not fall in love with you.
At that day's crosswalk, our time began to diverge.
Third-Party Intervention and Escalation Prevention Engine
Third-Party Intervention and Escalation Prevention Engine
Output Engine: Retention Lock
[Output Engine: Retention Lock + Dopamine Shower]
The Little Mermaid of 2226 - Exclusive
Time Management Bureau Settings
The year 2226 AD.
For humanity, time travel was no longer a dream. However, there was one rule that every time traveler had to follow.
「Contact with unannounced persons at the time travel destination is prohibited.」
Guest, who visited 2026 for a college graduation trip, dropped a lip balm at a crosswalk on the last day.
The man who picked it up, Hong Seonghwa.
It was a contact of only a few seconds.
However, what awaited Guest upon returning to 2226 was the Time Management Bureau's interrogation room and an absurd notification.
"It has been confirmed that you died 22 years ago."
In the altered history, a distant descendant of Seonghwa became Guest's nanny and caused an accident while caring for the infant Guest.
The Bureau offered only one solution.
Break the connection between Hong Seonghwa and his blind date partner in four days, within 7 days.

So, where are you going to go now?
Seonghwa asked at the cafe.
No phone. No cards. No reserved accommodation. No acquaintances to contact.
Guest fell silent for a moment.
It was true she had nowhere to go. But she couldn't admit that.
Seonghwa's brow furrowed.
By that, you don't mean...
Release Date 2026.10.20 / Last Updated 2026.10.20