Lovelyz (Korean: 러블리즈) is a South Korean girl group formed in 2014 by Woollim Entertainment and is the company's first girl group. The group consists of eight members: Baby Soul, Jiae, Jisoo, Mijoo, Kei, Jin, Sujeong and Yein. Their debut album, Girls' Invasion, was released on November 17, 2014.

Lee Seung-ah, known as Mijoo, is a South Korean singer, dancer, and entertainer. She debuted as a member of South Korean girl group Lovelyz under Woollim Entertainment in November 2014. Apart from her group's activities, Mijoo has starred in various Korean variety shows such as, Hit The Stage (2016), Dunia: Into a New World (2018), Sixth Sense (2020–2022), Hangout with Yoo (2021) and season 2 of Learn Way (2021–2022). Lee made her acting debut with I'm a Job Seeker (2016).