The group consists of five members: Yudai Ohno, Toru Iwaoka, Taiki Kudo, Sota Hanamura, and Hayate Wada.

[3][4] The "a-i" in the name is intentionally spelt in lowercase, as "ai" means love in the Japanese language.

[5] In January 2011, Yudai Ohno, Toru Iwaoka, Taiki Kudo, Sota Hanamura, and Hayate Wada were gathered and formed into a group by their current manager.

On February 1, 2016, it was announced that Da-iCE would perform their first Hall Tour across Japan starting in July, with its final stop at Tokyo Nippon Budokan on 1 January 2017.

The third live DVD featured the semi-final performance in Tokyo at the Toyosu PIT on January 31, 2016, and included a limited edition one hour recording called "the Road to Nippon Budokan".

The song featured additional vocals from Subaru Kimura, who also voiced one of Revice's main characters.

[15] The group is featured as the fictional boy band 4*Town in the Japanese dub of the 2022 Pixar film Turning Red.

They performed Japanese version of the song "Nobody Like U", titled "どんな君" (Donna Kimi Mo) and released on February 25, 2022, as a single on major platforms including YouTube and Spotify; most of its lines are sung by Sota and Yudai.