- Full name: Jang Yeeun
- Date of Birth: August 10, 1998
- Nationality: Korean
- Blood type: B
- Group: CLC
- Agency: Cube Entertainment
- Debut: 2015
- Position in the group: Main rapper, sub vocalist
- Family members: mom, dad, older sister, Yeeun
- Nickname: Jjang ye, weekend fairy, and Yen
- She likes to eat chicken feet and Dduckboggi
- Yeeun does puzzles or play with Lego when has a lot of things to think about