Ao no Kanata no Four Rhythm EXTRA2 is/was announced on July 7, 2016, the story follows the events after Aokana: Four Rhythms Across the Blue, but now, it would be focused over the character, Misaki Tobisawa.
The Opening Music (one of a kind 1chorus ver.) got released over Comiket 92, and a full version was eventually released as a bonus for purchases exceeding 5000 JPY over the spriteSTORE between February 01, 2019, and March 2019.
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 said 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 Ao no Kanata no Four Rhythm EXTRA2 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 said that “Based on the results of the questionnaire, the final decision will be made and will be announced on the official website in March.”
On June 16, 2020, sprite announced that the production of the game has resumed.
Ao no Kanata no Four Rhythm EXTRA2