Another Chinese-born assassin raised by Gauron and the "eldest" with the Xia siblings. She and Xia Yu Lan were given the last orders by Gauron to finish off Kaname after being crippled by Sousuke's Arbalest. Yu Fan is a proficient Arm Slave pilot, using a Zy-98 Shadow Arm Slave before using a stolen Chodarl in central Hong Kong. However, she is also good in using small arms and is an expert in unarmed combat. She wears a trench coat with green linings on.

In the last episode, Yu Fan reveals that the Xia siblings were at odds with Amalgam, mostly for wiping out their town in China during the Second Chinese Civil War. She is sixteen years old.