IU

Lee Ji-eun, known professionally as IU, is a South Korean singer-songwriter and actress. The name IU is a combination of ‘I’ and ‘you’ meaning “you and I become one through music.” She signed with Kakao M in 2007 as a trainee and debuted as a singer at the age of fifteen with her first mini album Lost and Found.

https://en.wikipedia.org/wiki/IU_(singer)