You'll see a lot more of where the synergy of yena and chaewon came from watching IZ*ONE content. It's always fascinating to see how Yena's goofy vibe has rubbed off on Chaewon esp in this show after all these years.
When IZ*ONE first debut, Chaewon was considered one of the calm/quiet members but her being bunk mates with Yena & later sharing a room together had help brought out her mischievous side