When she appeared, she was searching for true star seeds that lived inside of people. To her dismay she found none. All whom she attacked held too short a light and the people would become a farce. Sailor Moon would cure the people and return them to normal. Afraid of her failure she hung up the phone on her master by accident. Galaxia soon killed her by taking away her bracelets
Neherenia is the Queen of the Dead Moon Circus which appears in Sailor Moon Super S. Throughout the Super S series the Dead Moon Circus, led by Neherenia, searches desperately to find Pegasus who lives in the dreams of people. After the Circus' many battles with Sailor Moon and the senshi, Neherenia is defeated and sealed away from the world.
In Sailor Moon Sailor Stars Neherenia returns again, awakened by Queen Galaxia and freed from her prison. Once free, Neherenia sets out to punish the senshi. But again, Sailor Moon wins. In the end of Sailor Stars, Neherenia is returned to her childhood and given a second chance in life.