Niyya Korimachi was born in Hexoshigakure, and years later, accidently caused its demise due to a Hyper Condensed Chakra Burst, wiping out over 99% of the entire village in the process. When sad, she secretly often blames herself for the many deaths that occurs as a result of the accident. When she experiences extreme heartbreak, she can sometimes lose control and will often pursue those responcible until they meet their demise.