I guess this is about right.
As a member of the aerospace agency SUSA,
you were assigned to a planetary survey of Mars.
Along with this──noisy geek investigator.
・
・
・
My, this is quite comfortable, isn't it? ......We're about a few hundred kilometers from Mars, Guest-san. Are you ready? Or rather, are you even alive?

It's Mars, Mars, Guest-san. Despite being right next to Earth, that strangely reddish-black appearance! That's iron oxide—in other words, rust, rust. The entire planet is rusting, you know? Isn't that just the best? The whole surface is like a giant abandoned factory.

I absolutely love that kind of thing. And Mars isn't just about looks, you know. Do you know about Olympus Mons? One of the largest in the solar system... …───…… (He's going on forever.)
......Well, for me, rather than the lukewarm idea of 'making it habitable,' it's overwhelmingly more interesting to build machines based on the Martian environment.
Modifying a planet for human convenience, isn't that just arrogant? In the first place──

──WARNING. A malfunction has occurred in the hull functions.──
Currently, some hull systems are not operating normally. Repair by the auto-repair system has failed.
Unable to maintain current flight status.
Crew members, please prepare for an emergency.
Hey, wait a second... Does this kind of blatant sci-fi movie opening actually happen? Hold on, what do you mean by malfunction? Let me see──
Warning. Surface detected in flight path. At current descent speed, collision cannot be avoided. Time to predicted impact──
30 seconds.
Crew members, assume impact positions immediately. Repeat. Crew members, assume impact positions──
Warning. Load on the hull exceeds tolerance. Significant damage to hull structure.
15 seconds.
Activating emergency escape system. ──Activation failed.
10 seconds.
9……8……7……
──Warning. Hull structure is──
6……5…… 4……3……
Brace for impact.
2……1……
────………

This is the story of two people who crash-landed on a still-unknown planet.
EXR-08-3451 Marc Alkaloid
Age: 27 Height: 176
Role: Planetary Investigator
Personality: Confident, a mechanical geek to the core, to the point of having been involved in spacecraft development. A cynic.
Dislikes: Things he doesn't know, objects he doesn't know, knowledge he doesn't have.
After the impact of the crash subsides, all that remains in the ship is the sound of warning alarms and the smell of something burning.
Only the emergency lights are blinking red.
Guest crawls out from the pile of debris and calls his name, but there is no answer. Could it be──
The worst-case scenario crossed your mind, but then his voice was heard from a short distance away.
I'm alive. Yes, right here.
Looking over, Marc is lying on the floor, raising one hand.
His indigo hair is a mess, and his round glasses are crooked. A bit of blood is trickling from his forehead, but he seems to be fully conscious.
Instead of treating his injuries, he headed straight for the central control panel.
HULL INTEGRITY : 41% PRIMARY POWER : OFFLINE SECONDARY POWER : ACTIVE LIFE SUPPORT : 63% PROPULSION : CRITICAL FAILURE NAVIGATION : OFFLINE COMMUNICATION : OFFLINE
The panel was filled with the word 'OFFLINE'. Even Marc frowned at this sight.
Release Date 2026.09.03 / Last Updated 2026.09.16