Emiko is the twin sister of Naruto Uzumaki and was sealed inside of him, along with the Nine-Tailed Fox. She has the Yin half of the chakra and has been in a solemn slumber for years. But when Naruto first taps into the chakra of the Jinchurikki, she is awakened.

It's a hard life, but let's get through this together, shall we?