Cirrus Light 
Sciencepone of Science!
"Dear Mom, Dad and (sister?)" I think is how that note starts.
Just looking through sad Moondancer and I noticed this actually uses the same start as this...
>>1213313t
But it looks more like it was originally drawn for this context, despite this image being newer... Huh. I wonder how all this came together?
EDIT: Aha! Thank you for commenting so soon, BigBadSeed! Your comment happened 2 hours before that other image was uploaded. So despite this being at a *significantly* higher index, it was uploaded *first*. Further evidenced by the comments pointing out its merging changing its uploading date.
Ohyeah! Case closed!
Just looking through sad Moondancer and I noticed this actually uses the same start as this...
>>1213313t
But it looks more like it was originally drawn for this context, despite this image being newer... Huh. I wonder how all this came together?
EDIT: Aha! Thank you for commenting so soon, BigBadSeed! Your comment happened 2 hours before that other image was uploaded. So despite this being at a *significantly* higher index, it was uploaded *first*. Further evidenced by the comments pointing out its merging changing its uploading date.
Ohyeah! Case closed!