Bona
WJSN
3rd Gen (commonly-cited era, approximate)Verified facts
Real nameKim Ji-yeon
Birthdate1995-08-19
Group debut2016-02-25
Group size10 members
Stats — real computed numbers, never invented ratings
All facts are sourced from public profiles/Wikipedia and verified before being added. Age and years active are computed from today's date, not a fixed snapshot.