Oasix was born on 18 December 1992 in Mandalay, Myanmar. His father Tun Wai, was a former judge of Mandalay District court. He is the third son of four siblings, having two older brothers and a younger brother. He graduated the high school from Basic Education High School (14) Mandalay and then he enrolled in the English majoring at Yadarnabon University. Oasix started out on his music career in 2009, as a member of the native underground hip hop crew “Wildboy” while he was still a university student. He released a lot of songs and mix-tapes, collaborating with Wildboy's members. In 2011, he released his solo mix-tape "The First", and his second solo mix-tape "The Running" was released in 2013. The Wildboy group was disbanded in the some year.