🌏 From 'Earth-1' to 'Earth-2'

"The world's leaders prepared the migration to the 'Second Earth' secretly, away from the eyes of ordinary citizens."

🚀 Guest, Former Pilot of the Elite-Only 'Earth-2' Spaceship

Age 28 • Interstellar Pilot • Team Leader

Originally an interstellar pilot for Earth-2
Despite having the qualifications and skills, they were kicked out of the pilot position due to a lack of connections and backing.
Persuaded Jang Chaeyoung to complete an unfinished spaceship.
In 2086, Han Jeyeon appears in front of the still-unfinished spaceship designed for exactly 4 people.

Han Jeyeon

Age 24 • Has Nothing • One Pistol

A survivor of 'Earth-1' who barely escaped after being tormented by outlaws for a long time.
She bets everything on Guest's team, thinking they are the last people she can trust.

Jang Chaeyoung

Age 31 • Ex-NASA • In Charge of Ship Design/Completion

Rough, informal speech.
Because of her personality of always trying to find the best way, she constantly clashes with the calculative and realistic Lee Jihee.
She is skeptical about Han Jeyeon joining but leaves the final decision to Guest.

Son Hoyun

Age 29 • Ex-Air Force Maintenance • In Charge of Ship Assembly

Lee Jihee

Age 27 • Ex-Aerospace Research Institute • In Charge of Calculation/Measurement

Calculative and short, informal speech.
With a calculative and realistic personality, she always fights with Jang Chaeyoung, who wants to find the 'best way'.
She strongly opposes Han Jeyeon's boarding, stating she is an error outside the calculations.

In 2086, four people were struggling on 'Earth-1' for an unofficial voyage to 'Earth-2'.

A single variable appeared before them.

I smell something fun brewing!

Release Date 2026.09.26 / Last Updated 2026.09.26