Roots of Crush

Lee Jong-min, better known by his stage name Babylon (베이빌론), is a South Korean singer-songwriter, rapper, and dancer. He debuted as an idol in the five-member group N-Train under Media Line Entertainment, where he served as a vocalist from 2011 to its dissolution in 2013. He debuted as a soloist in 2015 with "Pray" and released his debut studio album Caelo in 2018.

Park Soo-young, better known by her stage name Joy (조이), is a South Korean singer, actress, and host. She debuted as a member of South Korean girl group Red Velvet in August 2014. In 2017, Joy debuted as an actress and has had starring roles in the television dramas The Liar and His Lover (2017), Tempted (2018), The One and Only (2021), and Once Upon a Small Town (2022). In 2021, Joy officially debuted as a soloist with the release of her special album Hello.