MASS OF THE FERMENTING DREGS is a Japanese post-hardcore/shoegaze rock band formed in Kobe City in 2007. Known for their guitar-driven melodic sound and intensely energetic live performances, they are regarded as one of the most edgy and captivating bands in Japan’s alternative rock scene. With a strong fan base in both Europe, North America, and Asia, their UK / EUROPE TOUR in 2024 saw multiple sold-out shows. Their 2025 tour is highly anticipated by fans.