Takes place in the same universe as Bleach, Tite Kubo's first big hit.
This anime marked the final performance for voice actress Hikari Yono. She succumbed to cancer on November 15, 2020, over one month after the release.
In October 2020, Burn the Witch collaborated with the mobile gacha game Bleach: Brave Souls, where Ninny Spangcole, Noel Niihashi, and Bruno Bangnyfe feature as playable characters.