Shin Ryu-jin

Shin Ryu-jin, known mononymously as Ryujin, is a South Korean rapper, singer, dancer, and actress. She is best known as a member of the South Korean girl group Itzy, which was formed by JYP Entertainment in 2019. Born on April 17, 2001, in Seoul, South Korea, she has established a career spanning pop music, screen acting, fashion collaborations, and philanthropic work.

While attending middle school, Shin was cast by JYP Entertainment at a Got7 concert. She later pursued her secondary education at Hanlim Multi Art School, where she studied musical theatre alongside her future bandmate Chaeryeong.

Prior to her debut, Shin made several media appearances in 2017. She competed on the reality competition show MixNine and appeared in the first episode of Stray Kids alongside Yeji, Chaeryeong, and Yuna. That same year, she featured alongside Yuna in BTS's "Love Yourself" highlight reel and made a brief appearance in the political crime drama film The King.

On February 12, 2019, Shin officially debuted with Itzy upon the release of their first single album, It'z Different, featuring the lead single "Dalla Dalla". In November 2021, she was featured as Studio Choom's "Artist of the Month" and performed a solo dance cover of Billie Eilish's "Therefore I am". She later paired with fellow member Yeji in June 2022 to perform Bebe Rexha's "Break My Heart Myself" for Studio Choom's "Mix & Max" series. On December 22, 2023, Shin released the music video for "Run Away", her solo track included on Itzy's eighth extended play, Born To Be.

Shin has also expanded into television and feature films. On July 5, she made a guest appearance on the workplace fantasy revenge comedy series Reborn Rookie. In November 2025, she was cast as a lead named Kang in the upcoming film Night on Earth. In January 2026, she was cast in another lead role as Mina in the upcoming horror thriller film Shaving. In February 2026, she was confirmed for a role in the upcoming movie High School Detective, subsequently appearing in a photo with the full cast at the script reading.

Outside of performing, Shin has participated in various fashion projects and charitable causes. She appeared in photoshoots for Vogue Korea in April 2023 and April 2025, the latter in collaboration with Tom Ford Beauty. She was invited to Gucci's Cruise 2024 fashion show at Gyeongbokgung Palace in May 2023 and collaborated with Ralph Lauren in Tokyo during the MLB Tokyo Series in March 2025. Her philanthropic endeavors include a donation of ₩50 million to The Promise in April 2022 for Gangwon Province forest fire relief, followed by a ₩50 million donation to the same organization in February 2023 to aid those affected by earthquakes in Turkey and Syria.