Rhymeberry announced to release a new single MIRRORBALL at the end of May.
The release date of the single wad not determined. This single will be a limited distribution.
The new member MC MISAKI (ex-Aither) makes her first appearance on this single. The idol group had left two members (MC HIME and DJ HIKARU) in last February, MC MISAKI joined the only member MC MIRI the same month.
The single cover was revealed on May 7.