Mio and Kaguya try their first voice acting job in an animated film. Mio struggles with ad-lib but is surprised how well Kaguya handles things. Mio wonders what she need to overcome her barrier and talks to Kaguya about her motivation.

The last opportunity to participate in the Diamond Friends Cup, the Best Friends Cup begins. Karen Island owned by the Kamishiro family will be the stage. This year's theme is "survival", and first up is HoneyCat.