His family moved to Sapporo, Hokkaido due to his father's job and he lived there from elementary school grades three through six.

[4][5] Hirose graduated from Tokyo Seitoku University High School in March 2005 and decided to continue his education by enrolling in the School of Education of Waseda University and majoring in mathematics.

[2] In 2009, Hirose defeated Taichi Nakamura two games to none to win the 40th Shinjin-Ō [ja] for his first non-title tournament victory as a professional.

[10][11] He was, however, unable to defend his title the following year against challenger Habu, losing the 52nd Ōi match 4 games to 3.

[17][18] After twice defeating reigning Meijin Amahiko Satō, Hirose challenged Akira Watanabe in the 44th Kiō title match from February – March 2019.

[20] Hirose advanced to the finals of JT Nihon Series [ja] tournament for the first time in November 2019, but was defeated by defending tournament champion Watanabe in the 40th JT Cup championship on November 17, 2019.

[21][22] A few days later, however, Hirose earned the right to challenge Watanabe for the 69th Ōshō title when he defeated Sōta Fujii in the final game of the Ōshō tournament challenger league to finish league play with 5 wins and 1 loss.