Thank you for the comment! I posted some sketches on my Tumblr, you can look there! (it has the same username there)
Spoilers!
There are white calla lily flowers that are associated with funerals! The Father put one in Wiggly’s hand. The last scene is just a dialogue between Twinkle and Wiggly when they were watching the stars! But then it changes to the last picture that shows the moment when the circus was on fire.