On A Dying Earth You Keep Me Alive

The earth is dying fast. In order to save the human race, volunteers are sent to Mars to set up colonies. Once the colonies are complete, more people will be sent to live on the Red Planet.
Kim Namjoon leaves everything behind, even the love of his life, Kim Seokjin, to do what he thinks is right.
Jeon Jungkook thought this was a good idea, but is now regretting it due to Kim Taehyung.
Jung Hoseok and Min Yoongi didn't know the other was signing up. Now they both have to leave Park Jimin to fend for himself.
"Don't worry, we'll only be 39 minutes away. The extra 34 million miles doesn't matter."

This is a fic I'm writing with my friend. It's also on her ao3
https://archiveofourown.org/works/16672414