Zazie Rainyday, known as "The Silent Acrobat," holds Student Number 31 in Mahora Academy's Class 3-A. She is a member of the Demon Folk's Royal Family, with her older sister Poyo serving as crown princess. Her demonic heritage provides inherent magical abilities and physical traits, such as claw-like fingers and the occasional manifestation of horns during surges of power. Zazie almost never communicates verbally, speaking only eight times in the manga. She conducts conversations nonverbally, including telepathic phone calls with Ayaka. Despite her silence, she demonstrates profound loyalty to her classmates. Her reserved nature contributes to an enigmatic presence within Class 3-A, though she gradually participates more in group activities. She belongs to the school’s Magic Club and the acrobatic performance group Nightmare Circus. Her circus skills encompass juggling, sleight of hand, and rapid costume changes. During the Mahora Festival, she commands shadowy spirits resembling entities from other media properties. She also gifts Chao Lingshen a living dragon as a farewell gesture. Zazie possesses unique sensory abilities, like seeing the ghost Sayo Aisaka without magical aid. Her Pactio artifact, "Devil Pierrot," links directly to her sister Poyo’s "Magic Lantern Circus." This allows her to enter and manipulate Poyo’s illusionary worlds, such as the Eternal Garden trap during the Magical World Arc. In that arc, Poyo impersonates Zazie to confront Negi’s group, but the real Zazie later aids Negi by explaining the illusion’s mechanics and warning him of Poyo’s intentions. During the series finale, Zazie intervenes to protect her classmates, summoning them to assist Chisame in awakening Asuna. She participates in the "Harem Warfare," where Class 3-A pursues Negi to uncover his romantic feelings, explicitly stating she is in "serious mode" to support the class. Decades later in *UQ Holder!*, Zazie appears at the Mahora Festival alongside Ayaka, Mana, Sayo, and Chachamaru. She affirms the Mage of the Beginning’s powers to Touta Konoe, confirming her enduring role as a guardian of magical knowledge within Negi’s legacy. Physically, Zazie has dark skin, white hair, and hazel-brown eyes. She bears two facial marks: a teardrop below her left eye and a vertical scar-like line across her right cheek. She stands 151 cm tall and weighs 67.6 kg.