The beautiful and mysterious Shion (VA: Tao Tsuchiya) transferred to Keibu High School, and she quickly becomes popular due to her open-hearted personality and exceptional athletic talent... but she turns out to be an experimental AI! All of the sudden, Shion sings out loud in front of Satomi (VA: Haruka Fukuhara), the class' loner, and does other unexpected stuff in order to make Satomi happy. After finding out that Shion is an AI, Satomi and her childhood friend, engineering geek Touma (VA: Asuka Kudo), steadily warm up to the new student. Along with the popular and attractive Gocchan (VA: Kazuyuki Okitsu), the strong-willed Aya (VA: Mikako Komatsu), and judo club member "Thunder" (VA: Satoshi Hino), they become more and more moved by Shion's singing and earnestness even as her antics bewilder them. But what Shion does for Satomi's sake ends up involving them all in some serious pandemonium. Get ready for the heartwarming story of a ratehr clumsy AI and her classmates!