Ulith

ウリス

Ulith is Iona's LRIG and black in color. She has a sadistic personality similar to Akira and enjoys mocking weaker opponents. [Spoiler] Her original name is Rumi Igarashi [/Spoiler] [Spoiler] After Iona becomes an Eternal Girl, she takes over Iona's body. [/Spoiler] (Source: Wikipedia)