Eriena Kartika was a member of JKT48 Academy's Class A.
- 2019.04.27 - Joined JKT48 as a JKT48 Academy Class B Student
- 2019.05.26 - Promoted to Academy's Class A
- 2020.05.16 - Resigned from JKT48 Academy's Class A
JKT48 Senbatsu Election
- 6th Senbatsu Election - Not Ranked
- Hobbies: Drawing, playing games.
- Admired Members: Adhisty Zara, Ratu Vienny Fitrilya