Sunada Masahiro is a member of a Jpop group Ballistik Boyz from Exile Tribe.

In 2007 he joined LDH's dance school EXPG in Osaka. He is considered as one of the school's best talents. In 2013 through an audition he managed to earn a spot in Project TARO which was an entertainment based educational program organized by LDH and Avex. For the 3-year duration of the project he lived, trained and studied in NYC.

After returning from New York Masa was selected to part of LDH's newest boy group Ballistik Boyz. The group made their official debut on May 22, 2019.

As a child, he used to feature in some of Exile's music videos and concerts. Most notably he played a mini version of Atsushi in Exile's "Someday" MV.

In elementary school he briefly went to Portugal and Spain to train football/soccer.