Ji Hye-ran (born January 3, 1996), better known by her stage name Z.Hera, is a South Korean singer and actress. Z.Hera appeared on the documentary program Human Theater in 2006 as Shaolin Girl when she was 11 years old. She received attention after being the first South Korean singer to appear on the American social site BuzzFeed.[1] She is known for her roles in Moorim School (2016) and Moon Lovers: Scarlet Heart Ryeo (2016).

Z.Hera learned Shaolin Kung Fu at the Shaolin Temple since she was in Elementary school. She speaks four languages: Korean, English, Mandarin and basic Japanese. She trained for 5 years to master her dance abilities with the help of Nam Hyun-joon.