MAD JAMIE is a punk rock idol group formed in early 2021 and debuted on April 29, 2021. They are the successor group of MAD VIOLET which disbanded in early 2021. On January 24, 2023, it was announced that their 4-member line-up would end on March 7, 2023. On April 1, 2023, it was announced that MAD JAMIE would return on May 16, 2023, this time as a solo project for Akubi.