Yuu goes on another exchange program, this time to Etoile Academy in Kobe, who send over their student, Kokone Kurisu, who is friends with Miyabi. Upon arriving at Starlight Academy, Kokone, used to being the center of attention, becomes downhearted that she's not as well known outside her hometown. She soon cheers up when she encounters Yotsuba, who she admired during his idol days and was her inspritation to become an idol.