Cho Hyejin of OURBIRTHDAY: Member Profile and 2026 Guide
South Korea member born October 24, 2007; leader and main dancer and Side A debut performer.
Bottom line
Cho Hyejin is an active OURBIRTHDAY member from South Korea, born October 24, 2007. She is documented as the leader and main dancer, entered the rollout through Side A, and officially debuted with all seven members on August 19, 2026.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
Profile
| Stage name | Cho Hyejin |
|---|---|
| Born | October 24, 2007 |
| Nationality | South Korea |
| Group | OURBIRTHDAY |
| Label | INNIT Entertainment |
| Debut unit | Side A |
| Role | Leader and main dancer |
| WHIP! avatar | Groovlu |
| Representative color and motif | Mantis green; matcha leaf |
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
Before OURBIRTHDAY
THE DDANDDARA winner and former CAP-TEEN contestant. That history matters because it explains why some viewers recognized her before the group name existed. It does not give permission to turn old edits, rankings or fan assumptions into a permanent personality diagnosis.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
The reveal sequence
Cho Hyejin entered public OURBIRTHDAY chronology through Side A. Side A arrived July 22 with Hyejin, Baby and Achiraya; Side B arrived July 29 with U, Hyewon, Chorok and Kilala. The official seven-member debut followed August 19.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
HUNGRY participation
Cho Hyejin appears in “HUNGRY (Side A)” with Cho Hyejin, Baby and Achiraya. The dedicated CVM React uses exact official upload pVrTAE6oOPY and links only the three visible unit members plus the group hub.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
SQUEEZY and official debut
“SQUEEZY” is the first full-group title track and the cleanest professional starting line for Cho Hyejin. Its funk base and stress-release metaphor ask for bounce, timing and readable character rather than the bluntest possible impact.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
Performance identity
leader and main dancer is a useful starting coordinate for Cho Hyejin, not a substitute for watching her work. The responsible question is how she handles timing, line handoffs, expression and formation pressure across HUNGRY and SQUEEZY—not whether a label can rank her against six teammates.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
The first single album
The debut single preserves both HUNGRY units beside “Our Birthday” and “SQUEEZY.” That track list lets Cho Hyejin belong to a complete seven-member project while still keeping her exact unit participation discoverable.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
One person, one canonical page
This is Cho Hyejin’s only biography on CVM Sekai. If she later releases verified original solo work, Artist discovery will route here rather than creating a duplicate page. Covers, dance clips and survival stages are documented work but not automatically an independent debut.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
Names, search and translation
New groups accumulate conflicting romanizations quickly. This file uses the stage name printed in the official rollout and keeps group context in the title where needed for search clarity. A one-letter name such as U especially requires that discipline; clarity is not a rebrand.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
Public persona boundary
The Groovlu avatar, mantis green color and matcha leaf motif are promotional identity tools. They can help fans navigate the debut world, but they are not clinical evidence or a map of private character. This profile analyzes observable public work and leaves invented intimacy outside.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
International fan guide
Follow the official OURBIRTHDAY FANS community, YouTube channel and dated release pages first. When translations disagree, preserve the original source date and avoid upgrading an unsourced fan detail into fact merely because multiple databases copied it.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
RaeRae take
Cho Hyejin does not need a manufactured superlative this early. The interesting question is what remains recognizable after the debut concept stops doing introductions for her. Side A supplied the first evidence; SQUEEZY starts the longer test.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
Current status: What to watch next
Watch future line distribution, dance breaks, writing credits, variety appearances and any verified individual original release. This page will expand from evidence without pretending a rookie’s first month is already a finished biography.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
Archive accountability
The profile records confirmed group status as of August 28, 2026. There are no departure notices or hiatus labels attached to Cho Hyejin. Changes require durable official evidence, not silence between schedules or a fan-made lineup graphic.
Cho Hyejin is being documented at the start of a career, so chronology matters more than filler. The page marks what is confirmed, what is interpretation and what still needs future evidence.
HUNGRY (Side A) React image card
Official-video tracker
Side A belongs to Cho Hyejin, Baby and Achiraya. Exact upload ID: pVrTAE6oOPY.
Side B belongs to U, Shin Hyewon, Kuk Chorok and Kilala. The archive keeps unit participation explicit instead of treating both versions as one interchangeable clip.
The first single album Our Birthday arrived August 19, 2026 with “Our Birthday,” “SQUEEZY,” “HUNGRY (Side A)” and “HUNGRY (Side B).” Future official uploads belong here with exact IDs and release dates.
Official Socials
- Official OURBIRTHDAY FANS community
- Official OURBIRTHDAY YouTube
- OURBIRTHDAY group profile and official routes
Sources and receipts
- OURBIRTHDAY official FANS community
- Soompi debut timeline with INNIT/JYP materials
- Apple Music official artist catalog
- Melon first-single album credits and track list
- OURBIRTHDAY official YouTube channel
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
Career-file continuity
Cho Hyejin remains part of the seven-member debut lineup. Future official releases, credits and status changes will extend this same canonical file rather than splitting one person across duplicate pages.
