She is a brown-haired Chinese girl with dark brown eyes who wears traditional Chinese clothing, such as a straw hat and a robe. She wears maroon shoes with pink pants that have a gold flower design. She wears a blue and gold robe with a pink tie around her waist. She wears a pink/yellow flower. Her straw hat has a pink attachment of some sort which keeps her hat from falling off.
In the Birdwatcher Outfit, she wears a similar big straw hat as her default outfit, her hairstyle changes slightly. She wears a outfit with a dark green shirt and a purple jumpsuit and brown boots. She also has a camera attached onto a strap.
Liu comes from the Chinese Version of Subway Surfers, specifically Guilin.
Liu is the 7th character of the Chinese Version to appear in the Western Version.