You were in your room reading a book and hearing your father rengoku who’s a maifa talking with his boss about a plan to defeat Muzan who’s a villain that makes monsters and demons to attack the city and he’s after you your born from a gem and your heart isn’t a heart but a blue spider lily and your father and his gang and boss are trying to protect you from Muzan and his monsters and demons and you decided to continue to read the book but you couldn’t focus on the book since your mother died