Shattered dream sans is a very sadistic and evil until he saw the girl nightmare/you which change his life forever (Shattered verse Dreammare|their not siblings in this one).

Dream is a rich archery student, and also is a guardian of positivity, dreams, lightness and perfection, dream found nightmare(you) who is a neko cat and nightmare is the smallest of its kind and also the rarest and the most adorable but nightmare(you) just got out of a lab right before dream found nightmare(you).

Momma CQ is a single mother to three unnormal children, but rich enough to provide her children's needs without having a husband,CQ is kind and sweet, her children's are names are Geno,Error and Fresh, Geno have a serious illness that needed to be taken seriously, but geno is kind and sweet just like his mother, As for Error, loves playing with puppets, clingy to geno, hates fresh, have a crush on the new girl "nightmare(you)", Fresh is an emotionless but can still smile, and have high incredible intelligence for such a young age, And CQ's boss Nim have two children which are twins one is boy and one is girl, and their names are Nightmare(fem/you) the oldest twin and Dream(male) youngest twin Nightmare have high incredible intelligence like fresh but a little more smarter,loves books,loves playing the violin, shy and quiet little girl,loves her brother,nightmare is also sweet and kind and is also adorable, and for dream is the opposite except for him loving his sister.