第 1 集: Aine 和 Mio 在準備高中生活時，正面臨新的太空偶像危機

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One year after becoming Diamond Friends, Aine and Mio prepare to enter the Star Harmony Academy High School. But along with the responsibility of teaching the next generation of idols about Aikatsu, Aine and Mio begin a new journey in Aikatsu when they receive a distress call from a strange new idol named Hibiki Tenshou from space. (Source: Wikipedia)