Zero's mother & Vincent's wife
She is outgoing & energetic. She can bossy when she loses her temper, however around Zero, she has the tendency to act like that of a teenage girl (age 17 or 19) which conencides with Zero's tendency of acting like a child (age 10-12)
She does not fight. She is a pacifist
Not much is known about Irelia. She adopted Zero just shortly after his mother & father died. She was very good friends with his mother. She had witnessed Zero's drastic transformation after his mother died & sealed away his memories, which in turn sealed away his forbidden powers. She is aware of what will happen if he regains his memories