"Mizuki is a significant character in the manga ""Kamisama Kiss,"" whoappears several times throughout the storyline. Mizuki is an enigmatic and complex character, possessing a deep sense of loyalty and an unpredictable nature.

Mizuki is a silver-haired, blue-eyed fox yokai serving as the former familiar of Tomoe, a powerful fox demon. However, when Tomoe lost his master, Mizuki found an opportunity to fulfill his ambition to become a familiar and implored the series protagonist, Nanami, to become his master.

Mizuki’s initial selfishness and cunning nature cast an untrustworthy appearance upon him. However, as the series progresses, his loyalty and dedication to Nanami become evidentas he relentlessly supports her through hardships and danger to keep her safe.

Mizuki has an unconventional and whimsical personality, playing pranks and often disregarding other’s emotions. Yet he also displays a caring and thoughtful nature at the right place and the right time. He often compels Nanami’s affections, further complicating her already complicated relationship with Tomoe.

Despite his childish exterior, Mizuki is incredibly powerful, possessing various abilities such as being able to manipulate water and shape-shift into any form. His intelligence and resourcefulness often aid Nanami and her attendants in their quests and tasks.

Overall, Mizuki's character, though enigmatic and sometimes deceptive, is an essential character in the series that helps add layers to the story. His loyalty towards Nanami and his complex personality traits make him a beloved and essential character."