After a year , kiba learn that my parents died during a mission . he was 6 year old , thus he decided to live alone and start training his body
At first , bit was very difficult to adapt to his training but after a month of perseverance , his body had develop and his strength increased .
Kiba also was able to feel chakra at the age of 5 and was able to recover more quickly due to mediation which had become an habit when he discover about its benefit .Thus he training effective was increased by twice .
Kiba start to save his pocket money which his received every month in order to buy a kunai . . As on Earth he learned basic knife skills and as kunai is basically the same . He want to start training with it and become a kenjustu master .
Today is finally the day to buy it and he was excited as his strength will increased improved thus he will able to survival . You must wonder why . It was due that he learned that he was in the same generation as kakashi, thus the third war is near to occur . And he know that graduated children will be send to battlefield as supplier.