Lovelyz debuted in 2014 with their studio album Girls' Invasion, which was later re-released as Hi~ in 2015.

In 2016, Lovelyz only released their second EP, A New Trilogy.

Six months later, they released a third EP, Fall in Lovelyz (2017).

In 2019, their sixth EP, Once Upon a Time was released.

A year later, their seventh EP, Unforgettable was released.