I've gotten way behind on my snarry_hols reading, but, at the repeated urgings of others, I skipped ahead to your story. It took longer than anticipated, not because of the story's length, but the sheer emotions deftly wrapped up within. I had to break off several times to laugh out loud, sometimes to cry.
The two worlds connected, perpetual sunlight on one side, bad weather and bound books on the other; the two futures splitting off; Lily's snotty adolescence finally budding into something that never had a chance in life before death. What a wonderful gift for us all.