Kat the the protagonist of the prologue to Paper Lily, Project Kat. She is a headstrong girl who attempts rituals to attempt to uncover a secret within her past (likely related to her father), however in Project Kat she finds a ritual within a Golden Letter and decides to do the ritual, with various endings present which will change her fate, however the ending cannon to the series Curiosity Killed The Kat has Kat perish along with the girls still in the school after she does her ritual.