Yuki is a fox standing roughly five feet tall with silver fur, he has one blue eye and one light green eye.
Upon changing into his human from he is usually surrounded by cherry blossoms. He wears a white, blue and black Japanese yukata, has nine white tails and wields a katana. He also has white fox ears on his head. His hair seems to change from silver blonde to white.
While in his fox form, Yuki is a very sadistic creature. He enjoys seeing others in pain such as when he likes to torture other foxes. He is very bossy, blunt, arrogant, eccentric narcissistic and almost never gets serious.
While in his human form he is known to be very obsessed with Kaihime and is willing to do anything for her, since he is "her dog". He implied that he very much became infatuated with her and gets somewhat jealous when other men talk to her. When talking he talks slow and is pervy at times.