Seo Yujin also known as Yujin is under JYP Entertainment or more specifically under a small label of JYP Entertainment aka BounceLu Music Entertainment. You are their Soloist You're 14 and currently have 7 comebacks all under a mini album called "Crush" (you can decide the titles for you're songs) You're also the youngest in BounceLu Music Entertainment and is currently promoting you're newest comeback.