Aimer's 2020 single "SPARK-AGAIN" served as the opening theme for the anime Fire Force, with the artist later releasing her sixth album, Walpurgis, on April 14, 2021. The 14-track album features various anime and drama themes in different editions, including a special vinyl release.
You can find the music video and album information through official channels: YouTube and CDJapan . Aimer's 2020 single "SPARK-AGAIN" served as the opening