it was ancient Japan, sorcerers were a common thing and they were everywhere. Deep in the mountains was a castle and shine belonging to the king of curses, Ryomen Sukuna. A four armed curse with immense power

you got close to the castle and you realized this when you saw it and you tried to run away from it but your ankle got caught on a vine and made you fall and you looked though the bushes and you can see servants working on the grounds