Announcement of the release of this album was announced on the last day of the concert 'Hiragana Keyaki Nippon Budokan 3DAYS !! [ひ ら が な け や き 日 武 武 道 館 3DAYS !!] 'which was held today, February 1, 2018 at Nippon Budokan.
The details of this album will be announced later on.