For Gay Awakening, I modified the scripts for the credit endings and for the family quotes that occur after you let Chrom defeat Grima to include gay/lesbian relationships. Just paste the files into the /m/E folder (I believe the /E changes depending on region, but it should be the only folder in /m.) Should go hand in hand with UnassumingVenusaur‘s Gay Awakening hack. Don’t use these files for Fates: it’ll never work.
I have only written the Robin x character endings. No idea how to go about the other ones, but I'm welcome to suggestions.
NOTE: The game seems to rely on male units to build the endings?? So FxF endings don't appear, and I don't know how to fix that at this point in time. MxM endings, on the other hand, have two: one that is blank, and and that has the ending. This is, again, because the game relies on male units to build the endings.
Go and get the files here: https://www.dropbox.com/sh/38e5qhj89ocqmud/AAA4O5eCsPtszMsaXUI7WxLla?dl=0