This story reminds me of Tumble & Fall by Alexandra Coutts. It has a similar concept (watching helpless with those you love as the object of your destruction falls from the sky).
i don't wanna be that guy that's probably really fun at partys, but it actually took a few, and by few i mean a lot, years where the meteor destroyed the whole world.
something more to add to the feels, quite similiar, and I think it is better. seen it ages ago and was able to dig it out of the internet, anybody reading this please click on it, quite lovely yet sad
https://www.youtube.com/watch?v=W-Qs5Wgp4Qw
My new favorite phrase. Besides "frowns loudly"
https://www.youtube.com/watch?v=W-Qs5Wgp4Qw