OURBIRTHDAY · MEMBER PROFILE
Kuk Chorok
The oldest revealed member arrived through Side B concept photos with almost no warning and an extremely memorable name.
Profile
| Birth/stage name | Kuk Chorok (국초록) |
| Born | July 28, 2005 |
| From | South Korea |
| Known for | Revealed with HUNGRY (Side B) |
| Current strength | To be confirmed through official performance material |
What we actually know
Chorok was officially revealed on July 27, 2026 as one of four Side B members. Reports about previous trainee affiliations remain fan-sourced; they belong in a receipts section only after stronger confirmation.
Debut chapter
OurBirthday is being introduced through two sides. Side A released “HUNGRY” on July 22, while Side B was revealed on July 27. Positions, official colors and a complete personal profile may change as INNIT publishes the full seven-member rollout.
Keep digging
OurBirthday group profile · HUNGRY (Side A) review