Relatives - Raven Branwen (mother), Taiyang Xiao Long (father), Qrow Branwen (uncle), Yang Xiao Long (fraternal twin sister), Summer Rose (Step-mother), Ruby Rose (half-sister)
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First appearance - Prologue: Yellow and Crimson
Music theme - "human"
Basic - "Scarecrow" and "Huginn"
Voice actor - Kelly Hu
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Appearance - Yin looks very similar to her twin and mostly her mother; they share the same facial shape and long, bushy hair. She mostly have the same appearances as her mother as she has jet black hair, her eyebrows are a little bit higher, her complexion is significantly lighter and the same eye color as her mother. Her hair is tied by a red bandana and loosely done up in a braid with the ends resembling curved black feathers. A cowlick can be seen protruding from the top of her head, similar to that of her twin and her mother.
Clothing outfits - Original outfit (volume prologue - ???) - Yin wears a dark sleeveless top with a white collar and a red tie; she wears a red belt that has a red side skirt cover over a black, pleated skirt. She wears it with a long black socks and black shoes. She also wears red gauntlets and black gloves. She also wears the mask of the Grimm.
