IGDB pageAo no Kanata no Four Rhythm EXTRA2 was announced on July 7, 2016, the story would follow the events after the main game, but now, focused on the character, Misaki Tobisawa.
On June 26, 2018, sprite announced that they're halting their operations by March and the development of Ao no Kanata no Four Rhythm EXTRA2 has been indefinitely halted.
After sprite resuming its operations with S-WORKS on November 28, 2019, over their blog post, they stated that "In the future, we would like to produce Ao no Kanata Four Rhythm EXTRA2, but we are considering ways to realize it given the current situation."
On January 24, 2020, sprite started a questionnaire about the game that would last until February 9.
A day after the end of the questionnaire, on February 10, 2020, sprite thanked everyone who responded to the questionnaire and stated "Based on the results of the questionnaire, the final decision will be made and will be announced on the website in March."
On June 16, 2020, sprite announced that the production of the game has resumed.