BACKSTORY OF OBITO UCHIHA

STARTING OF WAR

A war was coming against konoha
The group led by Minato was given a mission to stop enemies from entering the village and the group was assigned to do so but Minato has another mission so the team leadership was given to Kakashi which had become a genin by then
So the team started their journey to the place where the enemy was. Were coming and they were ambushed  so Kakashi suddenly attacked them but the enemies were older than the kids

The enemies wanted a jinchuriki for their 4 tailed beast so they kidnapped rin and vanished away
Obito and Kakashi were sad ..
Kakashi ordered "let's go back and complete our mission". Obito said "remember a person who leaves their allies is worse than a scum so I'm going back and I'll save rin " 
They had an argument and obito decide to search for rin
And after a long search obito founded her inside a cave in which the people who attacked them were there
Obito was once more ambushed and was attacked from behind but ..
Meanwhile Kakashi thought and decided to help obito so he was following him and when he saw that a person was attacking him he suddenly attacked the ambusher
Obito was saved but there were more enemies which they had to fight
They fought for a while and in that fight obito awakened his sharingan which helped him in the fight
After the fight they went to save rin and the enemy which was guarding rin damaged Kakashi s eyes and weakened him
Somehow obito defeated him but before he died he destroyed the cave
And the cave was collapsing
All three ran for life and eventually a boulder was going to fall on Kakashi but obito saved him and got himself hurt
Kakashi and rin cried a lot
Obito asked rin to do a favour
"Kakashi I didn't give you any gift for being jonin right .here take my sharingan it'll help you in future"
Rin took the sharingan and implanted in Kakashi s eyes
after that they left the place leaving obito alone under the rock ........
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