In the aftermath of IDOLiSH7 2nd live REUNION come great news.
It was announced at IDOLiSH7 2nd live REUNION that IDOLiSH7, TRIGGER, Re:vale and ŹOOĻ are going to release new singles.
— アイドリッシュセブン公式＠大神万理 (@iD7Mng_Ogami) 7 de julho de 2019
More details on each of the releases are going to be unveiled in the upcoming months.
On another note: the 2nd season of IDOLiSH7’s anime is scheduled to premiere in 2020. Check this article for more details.