Gurenge (紅蓮華)

"Gurenge" (紅蓮華) is a song by LiSA that served as the opening theme for the 2019 television anime Kimetsu no Yaiba, released in English as Demon Slayer: Kimetsu no Yaiba, produced by ufotable. It first appeared on the digital release Gurenge - EP on April 21, 2019, and was later issued as LiSA's 15th single on July 3, 2019.

LiSA wrote the lyrics, Sho composed the music, and Tomoya Tabuchi arranged the song. "Gurenge" was later included on LiSA's 2020 studio album LEO-NiNE, reached No. 1 on the Billboard Japan Hot 100, received a Million certification from the Recording Industry Association of Japan for digital sales, and won the Grand Prix at the 62nd Japan Record Awards. LiSA also performed the song at the 70th NHK Kōhaku Uta Gassen in 2019, marking her first appearance on the program.