Yona-Kit was a math rock quartet active in 1994.A U.S.-Japanese collaboration, the group consisted of KK Null (electric guitar and vocals), Jim O'Rourke (electric guitar), Darin Gray (electric bass guitar), and Thymme Jones (drum set). All but Null were contemporaneously members of the group Brise-Glace. Yona-Kit released one album, Yona-Kit (1994) on Skin Graft Records. The album was recorded by Steve Albini in Chicago in June 1994.