Born in the dust village jukahira was a around 5 years old when he was abducted by Unknown Anbu's taken and abandoned to the forest where he met
Aiko The Tiger , Aiko took him in as her own after 5 years of aiko juke was walking through the forest and found a weird seal on the floor he touched it instantly he *poofed*
He than passed out from using to much chakra thats when discovered space time jutsu's he trained for the next 2 years he was able to use the seal 3 times before he lost around 80% of his chakra. Aiko though Jukahira was strong enough to survive by himself by himself he gave him a contract and dropped him of to the nearest village the village of thunder its then that he say an anbu filled with curiosity poofed and stole his mask he put away when he took his first chunin exam he put it on. when he took it of with 2 scrolls and blood on his hands the examiners took away the mask he started to cry and asked "what happened" the examiners said with fear in there faces "you killed half of the participants".... Want me continue comment below ^_^