DIAURA are celebrating their 15th anniversary with a new release and oneman tour.

INCOMPLETE Ⅲ will be released on April 1st. It is their 3rd collection album, and features tracks collected from 2021 onward. While it does not capture every single release the band has produced during that timeframe, it is two-discs long, and features a PV DVD. Additionally, each disc contains one previously unreleased song ("never seen" and "Doku to Doku (独と毒)", respectively), and they've also included a rerecording of the song "Gumintou Sanka (愚民党賛歌)".

Starting April 12th, the band will embark on an anniversary tour: Dokusai no Niwa (独裁の庭). It features 3 stops that are fan club-only performances, and the finale will be held on June 27th at veats Shibuya.