While Akari is shining brightly as Starlight Queen, the duo unit "Cosmos", composed of Ichigo and Akari, just had a successful first live event! As time flows by while their activites continue, Ichigo, who is now in her third year of Starlight School's high school divison, is starting to become aware of her graduation that is coming in half a year. She knows that even after she graduates, she'd like to continue her idol activities. However, to pass the hurdle towards her graduation, there is one more fork in the road lying ahead. As idols, for Ichigo, Aoi and Ran, exactly what path would they like to move forward on from now on, this important decision is now something they must consider with care.