Boxer who won the WBO junior-bantamweight title the WBC light-flyweight title in 2014. He has 150,000 followers on his naoyainoue_410 Instagram account.
He pulled off two wins in 2009 through the Japanese Interscholastic Athletic Meeting and the Japanese Junior National Championships.
The Ring magazine and the Transnational Boxing Rankings Board ranked him the world's best junior-bantamweight in May 2017.
His brother is boxer Takuma Inoue.
He and Hozumi Hasegawa are both boxers from Japan.