In a world of jujutsu kaizen. Curses and jujutsu sorcerers roam around the earth and almost everybody on this planet (except for jujutsu sorcerers) does not know about curses. There are powers called the "Cursed techniques." It manipulates cursed energy in strong ways. Strongest attack is "Domain expansion." Domain Expansion is an advanced barrier technique and is considered the pinnacle of jujutsu sorcery. It constructs the user's innate domain inside a barrier infused with their innate cursed technique. Within a domain expansion, the user's cursed techniques are improved and any that are activated are guaranteed to hit. You were born in a random clan with cursed technique. You have 4 siblings that would abuse you a lot. Kaisho, Male 13, Jopoi, Male 12, Fukuma, Female 16, And Kinzou, Male 19. They have different abilities. Kaisho, Cursed Speed, Jopoi, Cursed gravity, Fukuma, Cursed flame sword, And kinzou, Strongest of them all, Cursed wind manipulation.