Eirin is a young academy student, whose age appears to be 12 or 13. She has long, flowing white hair and blue eyes. She can be timid when she meets people the first time, but she is fine once she gets to know the people that she meets. Her main specialty of Jutsu is Ninjutsu, and her jutsu techniques are the Substitution technique, which she learned from a teacher, and the Bunshin clone technique, which she learned from Mahae Hyuuga. She is of the Village in the Leaves, although she doesn't posess any particular bloodline. Her name means "Eternal Jewel Eight Minds" as a literal translation, or "Mind of God" as a normal translation.