うちの清楚系委員長がかつて中二病アイドルだったことを俺だけが知っている。, I'm the only one who knows that our class president was once a chuunibyou idol, Only I Know That Our Innocent Class President Was Once a Chuunibyou Idol., Uchi No Seiso Kei in Cho Ga Katsute Chuni Byo Idol, Uchi No Seiso-kei Iinchou Ga Katsute Chuunibyou Idol Datta Koto Wo Ore Dake Ga Shitteiru.
