In the video, Sana says ‘More & More’ choreography is a blend of Dance the Night Away’s bouncy choreography and Fancy + Feel Special’s more complex choreography.
Also an instrumental for ‘More & More’ (or maybe a b-side?) is played in the background :)
Source: jypentertainment 1 2
mods I hope it’s ok I added the trailer in! Let me know if it’s not I’ll remove it. They uploaded it right after I made my post