Dialogue began its activities in 2019. It is composed of eight members:
Yurina Uchiyama,
Nene Hieda, Kyōka Moriya,
Yuna Ogata, Ayaka Takamura, Satsuki Miyahara,
Mayu Iizuka, and
Manatsu Murakami, all of whom were also cast in the mobile game
CUE!. The group's first single, was released on October 23, 2019; the title song, which was written and composed by
Unison Square Garden member Tomoya Tabuchi and arranged by
Hidekazu Tanaka, was used as the opening theme of the
anime television series
High School Prodigies Have It Easy Even In Another World. They also performed the opening theme of the anime series
Higehiro and ''
My Stepmom's Daughter Is My Ex. They also performed the ending theme of the anime series Skeleton Knight in Another World and Love After World Domination''. Their first album,
Dialogue+1, was released on September 1, 2021. Their third studio album, titled
Dialogue+3 was released on September 18, 2024 ==Members==