Nebula Tree is the daughter of Tree and Black Hole, and the girlfriend of Bedtime Story, the daughter of Book and Pillow. Being the daughter of death preventers, Nebula Tree is also a death preventer. She's usually very calm, but can be crazy when she's with Bedtime Story. She's very much a simp, but hates it when someone calls her one, especially her sister Starry and half-sister Blacklight. She has 1 sister and 7 half-siblings. There are too many that she always forgets their names.