The album is the first release to feature new member Ayuni D, who joined the group in August 2016 following the departure of Hug Mii.

RUKA from visual kei band Nightmare, a well known fan of Bish and BiS, provided the music for the track "IDOL is SHiT".

[1][2][3] Shortly after Bish had made their major label debut with the release of the single "DEADMAN", it was announced on Bish's official website on May 12 that original member Hug Mii would be leaving the group, and that their June 2 concert at Akasaka Blitz would be her last performance.

New Member Ayuni D was revealed to the public on July 26, and she made her debut appearance on August 24 at the encore of their TOKYO BiSH SHiNE repetition concert at Zepp Tokyo.

Ayuni D joined the LESS THAN SEX tour on September 1 in Nagoya.