Hidan's Little Sister (COMPLETED)

10 Years ago in the hidden hot springs village, a brother of the age of 13 and a sister of the age of 9 lived alone in a house. Their parents left for a Misson years ago but never returned. People see the siblings as weaklings. No one ever spoke to them, they just laughed and insulted them. They where hated.The eyes of hatered they knew well. They hated everyone around them because of the pain they put the 2 through. Once they hit the ages of 19 and 15, the brother started to believe in a god named Jashin. He became obsessed and followed every order. The sister didn't believe much, the only thing she believed was to cause nothing but destruction. Because of their beliefs, they where given a gift of Immortality and weapons. The brother got a sythe while the sister got 2 Chokra swords. But that came with a curse. One of them had a monster inplanted in them. They had to figure it out themselves to see who got it. The sister prayed it was her and not her brother so he stayed safe. The brother thought the same, he wished it was him and not his sister. but one night they where walking out in a forest and got caught up in a argument with a gang. They said something to the sister about her brother and she grew angry, that's when the monster was revealed. The sister got the monster. within seconds the gang was killed. The sister found a way to bring the monster out on her own she also learnt how to control it. She learnt some jutsus to stop her from using the monster and she learnt some skills with her weapons. They have protected each other and have stayed by each other's side. They only have each other... For now anyway... Once they reached 22 and 18 they joined a criminal group named the Akatsuki. that changed their lives...