OURBIRTHDAY Unveils Full Seven-Member Lineup — 'Side B' Adds Guk Cho-rok, Shin Hye-won, Yu, and Kirara
JYP-affiliated rookie girl group OURBIRTHDAY has finally revealed its complete seven-member lineup. After previously introducing just three members with "Side A," the team unveiled the remaining four with "Side B," completing the picture. The Four Newly Introduced Members INNIT Entertainment released the individual and unit concept photos for OURBIRTHDAY's new record "HUNGRY (Side B)" through official social media. In the individual cuts, Guk Cho-rok showed off a chic vibe with a confident ponytail, while Shin Hye-won completed a charismatic look with an intense gaze. Yu added a kitschy charm with a distinctive blonde style, and Kirara conjured an urban mood through polished styling. In the unit photos released alongside, the members leaned on one another or draped arms over shoulders, highlighting a natural chemistry. With this, Guk Cho-rok, Shin Hye-won, Yu, and Kirara join the previously revealed Side A members Jo Hye-jin, Baby, and Achiraya to form the complete seven-member group. It's a multinational team made up of three Koreans, two Japanese, one Taiwanese, and one Thai member. A Lineup Stacked with Audition-Show Talent This full lineup notably features skilled members with audition-program backgrounds. Shin Hye-won proved her all-rounder credentials on JTBC's "R U Next?", while Yu made her name with a third-place finish on KBS 2TV's "The Ddan Ddan Ra" and an appearance on SBS's "Universe Ticket." Since Side A member Jo Hye-jin is also a winner of "The Ddan Ddan Ra," audition-tested members form the core of the team. The Second Introduction Film, "NET::ERR_CONNECTION_ABORTED" This reveal came through the second introduction film, "NET::ERR_CONNECTION_ABORTED." True to a title evoking a network connection error, the film's striking direction played out in a birthday-party-themed space, with visuals that flickered as if the connection kept dropping. Midway through the video, cards symbolizing each member's character appeared. The visuals were arranged in sequence — Yu holding a sword, Shin Hye-won gripping a hammer, Guk Cho-rok wearing a gauntlet, and Kirara drawing a bow — hinting at the team's worldbuilding. In the final scene, the four members reached out together and a virtual cake transformed into a real one, a twist that left curiosity about the story to come. Warming Up Toward an Official Debut OURBIRTHDAY pre-debuted on July 22 with its first digital single "HUNGRY (Side A)" and performed its first stage on Mnet's "M Countdown" on July 23. With the seven-member lineup now complete through "Side B," preparations toward an official debut have gathered momentum. Recently, JYP Entertainment head Park Jin-young appeared on MBC's variety show "Omniscient Interfering View" — introducing the seven members and chatting with them on air — which drew attention. As JYP's first new girl group in years, interest is mounting in the musical capabilities this full lineup will bring. OURBIRTHDAY plans to continue warming up toward its debut with a range of pre-release content.
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