Ah-Hin Kim

One of the Four Guardians of Heaven the quotWhite Tigerquot and was mistaken as Eejung by Woohyun who had bullied her when they were little because of her appearance and her mothers illreputation. She is the friend of Dongyoung and is also a student at Dongyoungs school in order to protect her and to prevent her identity from being discovered by the other two Guardians of Heaven who were sent to capture the angel princess. Eejungs older sister she cares for her brother dearly and tries to make him enjoy himself more. Despite having been bullied by Woohyun and saying shed never talk to him again Ahhin seems to have some feelings for him and later goes out with him. Wikipedia