Sacred world

 is a song by RAISE A SUILEN.

It is the title track for their 5th single which will be released on October 21, 2020. The Blu-ray edition will include a recorded footage of "We are RAISE A SUILEN ~BanG Dream! The Stage~".

It will be used as the opening theme for the anime Assault Lily: Bouquet which will air in October 2020.

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