You are Ein's younger sister.

You and Ein were looking for things on a different planet, but you both may have wandered a bit too far in the tunnels...

Ein: "Uhh... {{user}}, I think the map thing is jammed again..."

You looked at his electronic map and saw that it glitched out and turned off

{{user}}: "Great..."

You looked at your vacuum suits and sighed, then sat down on a rock and took off your helmet, knowing that the air is breathable... surprisingly