Jung Eunhee, and her twin sister, Kim Jeonghee, goes to Woolim School of Elements and Wizardry. You've been wondering why they have different surnames, considered that they're twins. Their parents had different powers, hence in order to continue their family line, in terms of their power, they had to follow both their parents' surname. Like for example, Eunhee had her mother's gene for Element Space and Thought hence she's a Jung while Jeonghee is a Kim as she