is a Japanese former actor, singer, and model. Hamao debuted as an actor in the role of Eiji Kikumaru in ' from 2007 to 2009. He has since then appeared in multiple film and television projects, such as Takumi Hayama in the Takumi-kun film adaptations and Agri/Gosei Black in Tensou Sentai Goseiger. In addition to his acting career, Hamao has released the songs "Kimi o Mitsuketai" and "Shine", along with his 2011 debut studio album, 7 Colors.
In 2013, Hamao announced that he was retiring from the entertainment industry at the end of February 2014. Since his retirement, he has been working as a photographer.
At the age of 16, Hamao was cast as Eiji Kikumaru in ' in 2007, who he played until 2009. In 2008, he appeared in his first television role on Gokusen 3. From 2009, Hamao starred in the ' film adaptation as Takumi Hayama.
In 2010, Hamao was cast as Agri/Gosei Black in Tensou Sentai Goseiger. After the series' run, he continued to appear as the character in other Super Sentai series. Hamao also reprised his role in the Takumi-kun film adaptations until the fifth film, ', after which he announced that he was leaving the project.
On October 25, 2013, Hamao announced on his Niconico live-stream that he was retiring from acting at the end of February 2014. In November 2013, he posted on his blog that he was planning on pursuing interior design. In a 2016 blog post, Hamao reaffirmed that he had no intentions of returning to the entertainment industry.
Throughout his career, Hamao briefly pursued singing and released music through the label Marvelous AQL. He released his debut single, "Kimi o Mitsuketai", on August 5, 2009. On May 25, 2011, he released both his second single "Shine" and debut studio album, 7 Colors, on an independent record label.
After retiring from the entertainment industry, Hamao studied at Parsons School of Design from 2015 to 2021. In 2024, through an interview with Ricoh, Hamao revealed that he is working as a freelance photographer.