Fuzzy Knot is a Japanese rock duo formed on April 21, 2021, comprising vocalist Kosuke Tazawa and guitarist Shinji. Tazawa is known for his work with bands such as Waive and Rayflower, while Shinji is the guitarist for the rock band SID. The band's name, "fuzzy knot," symbolizes their intention to create music that transcends genre boundaries, leaving the interpretation of their songs to the listeners.