Kaen (火炎)

"Kaen" (火炎, "Flame") is the first opening theme of Dororo, the 2019 TV anime by Tezuka Productions and MAPPA. It is by the band Ziyoou-vachi (女王蜂), whose singer Avu-chan wrote the words and music. It was released as a single on 30 January 2019 and later included on the band's album 十, released in May 2019.