Saiai no Kuzu

Saiai no Kuzu (最愛の屑) is an emerging Japanese hard rock band from Tokyo. The lineup includes vocalist Gaku, guitarists Rei and Nekotarō, bassist Shotayan, and drummer Kirito. They made their public debut on October 14, 2025, at Takadanobaba CLUB PHASE, launching their first single “Replica”—complete with a full music video. Although the band has not officially declared a genre, their energetic approach and aesthetic point toward J-Rock or a visual kei–inflected hard rock style.