Born in a weak body, waking up in a laboratory and being treated like a rare gem stone, Umi was never normal. Being locked up and never being let out, makes you not have any knowlage of the outside more than you are told and for Umi, she was told nothing.One day she finds a way to leave during her free time and finds out she's in the village of the sand. There she meets a boy who she likes to call sand boy and for 2 years they are inseparable. But when she's found out, she's forced to leave the sand, to a location she would be stuck in.
6 years later, after she had traveled around some and finally stopped in the village of the leaf. When the Chunin exams come around, she re-meets her friend yet things have changed.