Kasai's Mentor

Kasai meaning fire was a kind and happy and even peaceful kid. He hated fighting, which caused him to fail his exams everytime not wanting to go against his comrades until Kasai father deemed him not to have the potential of a great ninja and casted him aside. The Iburi Clan was very harsh to Kasai although some of the elders were fond of his kindness to help the cook and clean. But, When Kasai little brother, Kuki is in trouble Kasai finally set asides his morals and unleashes flames that grow out of control and partially destroys his whole village...Everyone including his own family cast him aside , bully him and beat him when on Kasais finally turns 10 he decides to leave to the leaf village.....

[ This is set when Naruto is like 17 or 18 , Sasuke will be already on his missiom for redemption but will pop up in importnant chapters)