"Gurenge" is a popular Japanese song performed by the artist LiSA. Released in 2019, it serves as the opening theme for the anime series Demon Slayer: Kimetsu no Yaiba. The song quickly gained widespread acclaim for its powerful vocals and energetic melody, contributing to the show's immense popularity. The lyrics of "Gurenge" reflect themes of determination and resilience, resonating with the struggles faced by the main character, Tanjiro Kamado. The song's success has led to numerous covers and performances, solidifying its place in contemporary anime music culture.