1화: 이노 사쿠라가 도쿄로 가서 마우스 하우스 기숙사에서 아이돌 훈련을 받기 위해 합류하다

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Aspiring to become an idol, Ino Sakura moves to Tokyo to live in Mouse House, a dormitory of Rat Productions. Informed of Mouse House's crisis, Ino is told to form an idol group with three "dropout" talents who also live there. (Source: Amazon Prime Video)