Hilcrhyme (ヒルクライム) is a Japanese hip-hop duo from Niigata Prefecture. members: MC ＴＯＣ and DJ KATSU DJ KATSU came up with the idea of a hip-hop group in 2001, but it wasn't until 2004 when he formed Hilcrhyme with TOC. The duo released a demo album, Nettaiya, in March 2007. On July 23, 2008, Hilcrhyme released their debut independent single, "Mou Bye Bye". The single reached #4 on the Oricon indie chart, and the music video was accessed 100,000 times on YouTube, leading them to a major debut offer.