Evermillion (エヴァーミリオン?), fully named White Princess Evermillion (白姫エヴァーミリオン Shirohime Evamirion?), is an entity of unknown origin sealed inside Honoka Takamiya. She is addressed as the White Princess by various characters. A total of five seals were placed on her.
(Source: Witchcraft Works Fandom)
