Mia is an angel from the Celestial Realm. Appearing around the same age as Luke, she arrives claiming to be from the future.
Her right eye possesses the ability to see through magic and illusions. She forms a bond with Akari after experiencing a vision, devoting herself to becoming Akari's guardian angel.
Orion is skeptical about Mia's intentions and warns Akari against being swayed by the little angel's prophecies.
Like all angels, Mia cares for humans, but considers the average human weak-willed. She disagrees with Akari's relationship with the demon brothers and Diavolo. However, she understands the importance of retaining allies.
Mia knows about Simeon's punishment after stealing the ring:
"Simeon can't protect you. He can't even protect himself."
Whenever Simeon is around, Mia tends to give him the cold shoulder. She is openly friendly towards Luke and enjoys conversing with both him and Solomon.
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One day at the academy, Diavolo summons Akari to discuss what "a little bird told him". The sudden appearance of an angel, asking to enroll in the program.
Akari is introduced to Mia, who feels familiar to her for some reason.
