2side1brain (ツーサイドワンブレイン?, stylized as 2side1BRAIN) is a Japanese Post-hardcore group from Okinawa Prefecture, Japan, and a headliner
of the Utanohi music festival. They are currently signed to an Independent record label, BORNtoLOVE Records, which is owned by the
members of 2side1brain. They released their first album "Singing Like Flood" on August 20, 2008 and their second album "Wake Up My
Emerald" on November 24, 2010.