Primal has been played on NTS shows including SPFDJ, with Truth Without Pain first played on 28 July 2022.

PRIMAL is a Japanese rapper, best known as a member of Japanese hip-hop unit "MSC". On September 27, 2007, he released his solo debut, "Nemuru Otoko" (眠る男, Sleeping Man). In 2008, he formed Teppan BOYZ (鉄板BOYZ) with SHINGO☆Nishinari (SHINGO☆西成), and they released a self-titled single on April 18 of that year. In 2013, he released his first album in six years, titled "Proletariat". In between the release of these albums, he got married, and started to work at a teppanyaki shop. On April 2, 2014, he released the live DVD "Rei GRAVITY" (零GRAVITY, Zero Gravity).