Sacred world

 is a song by RAISE A SUILEN.

It is the title track for their 5th single which was released on October 21, 2020. The Blu-ray edition includes recorded footage of "We are RAISE A SUILEN ~BanG Dream! The Stage~". The CD version of the single also included a lottery ticket to BUSHIROAD ROCK FESTIVAL 2021, which was supposed to be held from February 6 to 7, 2021, but was cancelled due to the COVID-19 pandemic.

It was used as the opening theme for the anime which started airing on October 2, 2020.

It was written by Spirit Garden, and arranged and composed by Fujita Junpei.

Video
Single Preview = Live Performance = Assault Lily OP =

Chart Performance

 * On October 20, 2020, Sacred world ranked 5th in the daily singles ranking in Oricon.
 * The single stayed in the weekly singles chart for 17 weeks.

Live Performances

 * August 22, 2020: THE DEPTHS
 * October 25, 2020: NHK WORLD-JAPAN presents SONGS OF TOKYO FESTIVAL 2020
 * February 22, 2021: Rausch und/and Craziness II (during DJ CHU² Time)
 * June 30, 2021: BE LIGHT at Zepp Namba
 * August 29, 2021: Anime Summer Live 2021 ~Colors~ (Day 3)
 * June 19, 2022: OVERKILL