If you were looking for the Mnet K-Pop reality survival show, , Episode 1 typically features the introduction of the competing girl groups and the first preliminary performances.

: Explores the transition from lifelong competitors to a closer, potentially romantic relationship.

: The start of the "Comeback Battle" where groups perform their hits to determine their initial rankings.

The story follows , two fierce rivals from their school years who cross paths again as lead actresses in the year's most anticipated drama. In a supernatural twist, the two rivals swap bodies, forcing them into a close proximity that challenges their professional rivalry and personal feelings. Plot Highlights :