Princess Luna choose to accept an short little interview as the strange alien radiation known as 'magic' spreads across Earth forcing humans to undergo a species change to survive it, and Luna proceeds to just chat about this and that.

Pretty much the definition of option canon in every shape and form, such as it is. Don't like it, ignore it.

Part of the Not Just Ponies setting. https://tvtropes.org/pmwiki/pmwiki.php/Fanfic/TheConversionBureauNotJustPonies

Vector by istilllikegamecubes