Performed in Free Dance mode.
You must perform all the songs in which Yukiko and Chie are dance partners, i.e. one is the lead dancer and the other accompanies her on a Fever. Only four songs, in a specific difficulty level, allow this cooperation:
Heartbeat, Heartbreak in Easy with partner Auto
Pursuing My True Self (ATLUS Kozuka Remix) in Easy with partner Auto
Snowflakes (Narasaki Remix) in any difficulty with partner Chie
Best Friends (Banvox Remix) in any difficulty with partner Yukiko
You must obtain at least one "Stage Clear" on each song.