With the merger of the two companies, Hyunjae and Sooan find themselves competing in the same space once again, while Jaemin finally discovers Khun's true identity.

After Jaemin and Khun discover each other's true identities, their relationship becomes awkward and uncertain. Meanwhile, Hyunjae and Sooan begin practicing together as dance partners.

The debut lineup has finally been announced! Hyunjae, Sooan, and Jaemin are all selected, while Khun is set to produce their debut song.