Karin (香燐, Karin) is a subordinate of Orochimaru, a former kunoichi of Kusagakure, and a member of the Uzumaki and Uchiha clans. She was participating in the Chuunin Exams but later lost track of her team, but soon later joined Team 7 after being found and saved by Naruto Uzumaki. She later joined Konoha after being appointed as a ninja of the with the help of her "brother" with Minato's permission. Karin now resides in Konoha with her new friends and family.
In the anime, Karin and her mother were allowed to take refuge in Kusagakure, on the condition that her mother healed the village's wounded. After the village suffered huge causalities following a surprise attack, her mother upheld her duties and healed the wounded at the Kusagakure hospital, where she died after transferring too much chakra to the wounded. Immediately afterwards, the duty was passed onto Karin, much to her disapproval.
Some time after becoming a genin, Karin took part in the Chūnin Exams held in Konoha on a team. During the second phase, Karin lost track of her team-mates and was attacked by a large bear. She was saved by Naruto Uzumaki, who was disappointed to find she had a Heaven scroll Naruto asked her how did she ended up like this. Karin told Naruto that she had lost track of her after taking a minute break, later she was left alone and was encountered by the bear he killed. Karin later thanked him but he decided for Karin to join Team 7 much to her surprise but she denied, despite this she decided to say that she'll meet up with the team after the. exam