Hyein
NewJeans
4th Gen (commonly-cited era, approximate)Verified facts
Real nameKim Hye-in
Birthdate2008-04-21
Group debut2022-07-22
Group size4 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.