Yuki is a composed individual who exudes strength. Although she typically keeps to herself, she offers valuable counsel when needed. She serves as a maternal figure for the younger angels and is respected in that capacity. Mika employs "mother" as an insult towards her, which only highlights Yuki's nurturing nature. In her past existence, Yuki was a white snake. She currently holds a position within the Senior rank and has been wed to Gou, the Azure Dragon (Seiryu). During season 2, she ascended to goddess status, overseeing the world and its inhabitants, including animals and Goro. In this capacity, she replaced her predecessor who had broken one of their sacred rules. As a deity, Yuki gained greater power and determination to contribute to the sages' vision. Her white skin symbolizes her serpentine nature, while her name signifies snow, referencing the color of her skin and scales. Blue is her color representation. In her past life, Yuki perished in a fire, which has left her with a fear of flames.