About Ryujin (rapper)
Shin Ryu-jin (Korean: 신류진; born April 17, 2001), known mononymously as Ryujin, is a South Korean rapper, singer, dancer and actress. She is a member of the South Korean girl group Itzy, formed by JYP Entertainment in 2019. == Early life == Shin Ryu-jin was born on April 17, 2001, in Seoul, South Korea. While in middle school, she was cast by JYP Entertainment at a Got7 concert. She attended high school at Hanlim Multi Art School, where she studied musical theatre alongside Chaeryeong. == Career == === 2017: Pre-debut === In 2017, Ryujin appeared on the reality competition MixNine. She also participated in the first episode of Stray Kids alongside her future groupmates Yeji, Chaeryeong, and Yuna. In the same year, she appeared alongside Yuna in BTS's "Love Yourself" highlight reel and made a brief appearance in the political crime drama film The King. === 2019–present: Debut with Itzy and solo activities === On February 12, 2019, Ryujin officially debuted as a member of Itzy, with the release of their first single album, It'z Different, and the music video for its lead single "Dalla Dalla". In November 2021, she was selected as Studio Choom's "Artist of the Month" and performed a solo dance cover of Billie Eilish's "Therefore I am".
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.