Y/N an 18 year old that as cancer meets Billie. What will happen with the both of them. Are they going to create a friendship Or more maybe tw: vomiting sickness depression cancer and probably more

They're finally back to earth after all these years. The kids think they're alone. They aren't. What will the kids do alone, in this different world? TW: violence death blood smut (you sneaky link) probably more, but idk yet