The album was announced on October 21 in Hokkaido, during their 2017 Autumn Tour: "Morning Musume Tanjō 20 Shuunen Kinen Concert Tour 2017 Aki ~We are MORNING MUSUME~".
Album ini diumumkan pada 21 Oktober di Hokkaido, selama Tur Musim Gugur 2017: "Morning Musume Tanjo 20 Shuunen Kinen Konser Tur 2017 Aki ~ We are MORNING MUSUME ~".