Middle school second year rebel child. The heroine of this story. A wild girl who symbolizes the vitality and freedom of Shinjuku. She exerts influence in any level of the city. She's feared and called "The Holy Mother". Non-humans who lurk in the city call her mysterious existence "The Heart of the City" and acknowledge her superiority. She plays around flying in the city has it if were her own dedicated attraction park. She has a whimsical temper and a sharp tongue. She's an arrogant child, and due to being a rebel, doesn't have any friends her own age. She's agile enough to run to the top of a building with ease, but can't break a pair of chopsticks. She likes strong carbonated sodas and sweets, and cold things and hot spicy things, she enjoys the stimulus of opposed extreme flavors.

Second year middleschool transfer student. She hides a different supernatural power than that of Shirube's, and aims at her as a yakuza assassin. One of the few who can sense the magic and feeling of incongruity in Shinjuku. Has docile appearance but a strong passion is hidden within her heart.

Dropped out of highschool during her second year. Attracted by the capital, she ran away from home and was found and picked up by Shigure, and became her caretaker. A crybaby bodyguard. Diligent and kind, she respects justice, and is a good person liked by all. But Ariso is weak to temptation so every day is a meeting to discuss her actions.